Seiko Cal. 5628 - 971

This Automatic model from 1979 features a 37mm Gold-Plated case. Powered by the 5628 caliber with 30j jewels beating at 36,000 bph, it delivers a 42 hours power reserve. [seikata-wm-c1ce857b856a]

Also known as: Tuna, Goldfeather

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

37mm

Case Thickness

15.2mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

170m

Dial Color

Green

Jewels

30j

Frequency

36,000 bph

Power Reserve

42 hours

Year

1979

Related Models

• Seiko 4498-523
• Seiko 0773-717
• Seiko 3849-937
• Seiko 7043-481
• Seiko 4496-502
• Seiko 4493-136
• Seiko 4415-330
• Seiko 6230-990
• Seiko 6387-933
• Seiko 6353-868
• Seiko 3869-923
• Seiko 6242-442