Seiko Cal. 5643 - 908

The 5643-908 is a sought-after Automatic piece from Seiko's golden era. It features a Green dial protected by a Hardlex crystal and offers 30m of water resistance. [seikata-wm-d7ced7546dee]

Also known as: Tuna, Navigator

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

37mm

Case Thickness

13.9mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

30m

Dial Color

Green

Jewels

28j

Frequency

21,600 bph

Power Reserve

68 hours

Year

1972

Related Models

• Seiko 6396-527
• Seiko 6627-430
• Seiko 4491-741
• Seiko 6383-254
• Seiko 3856-764
• Seiko 6113-958
• Seiko 4448-242
• Seiko 7126-126
• Seiko 3890-252
• Seiko 4473-994
• Seiko 6317-505
• Seiko 6668-971