Seiko Cal. 4424 - 816

Released in 1985, the Cal. 4424 with design code 816 was part of Seiko's domestic market collection. It features a Blue Sunburst dial protected by a Sapphire crystal and offers 30m of water resistance. [seikata-wm-7610bd042ac4]

Also known as: Crown, Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

40mm

Case Thickness

10.8mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

30m

Dial Color

Blue Sunburst

Jewels

17j

Frequency

28,800 bph

Power Reserve

70 hours

Year

1985

Related Models

• Seiko 6631-361
• Seiko 6234-906
• Seiko 5243-389
• Seiko 4524-872
• Seiko 7040-598
• Seiko 3861-831
• Seiko 6245-431
• Seiko 6248-486
• Seiko 3825-413
• Seiko 7051-199
• Seiko 4529-477
• Seiko 6367-263