Seiko Cal. 0737 - 658

The Seiko 0737-658 represents an important milestone in Seiko's 1966 lineup. Powered by the 0737 caliber with 28j jewels beating at 21,600 bph, it delivers a 47 hours power reserve. [seikata-wm-9f8da1862446]

Also known as: Golden Tuna

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

46mm

Case Thickness

11.9mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

80m

Dial Color

Navy

Jewels

28j

Frequency

21,600 bph

Power Reserve

47 hours

Year

1966

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