Seiko Cal. 4420 - 803

This Hand-Winding model from 1996 features a 37mm Hardlex-Coated Steel case. It features a Black dial protected by a Sapphire crystal and offers 180m of water resistance. [seikata-wm-c1416f4f76d4]

Also known as: Navigator

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

9.2mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

180m

Dial Color

Black

Jewels

32j

Frequency

28,800 bph

Power Reserve

69 hours

Year

1996

Related Models

• Seiko 7119-318
• Seiko 3818-844
• Seiko 6623-277
• Seiko 7019-863
• Seiko 4446-142
• Seiko 6159-877
• Seiko 6330-153
• Seiko 6157-107
• Seiko 7155-506
• Seiko 5247-347
• Seiko 7137-124
• Seiko 4580-914