Seiko Cal. 4431 - 905

Released in 1993, the Cal. 4431 with design code 905 was part of Seiko's domestic market collection. It features a Burgundy dial protected by a Mineral crystal and offers 170m of water resistance. [seikata-wm-e032af991be2]

Also known as: Baby Tuna

Specifications

Movement

Solar

Case Material

Titanium

Case Width

37mm

Case Thickness

9.4mm

Lug Width

22mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

170m

Dial Color

Burgundy

Jewels

35j

Frequency

36,000 bph

Power Reserve

37 hours

Year

1993

Related Models

• Seiko 6215-148
• Seiko 7140-806
• Seiko 5244-612
• Seiko 4441-430
• Seiko 6183-211
• Seiko 0791-795
• Seiko 5261-735
• Seiko 5612-283
• Seiko 7081-521
• Seiko 4466-363
• Seiko 0791-793
• Seiko 7062-220