Seiko Cal. 5658 - 907

This Quartz model from 1976 features a 44mm Stainless Steel case. Powered by the 5658 caliber with 21j jewels beating at 36,000 bph, it delivers a 56 hours power reserve. [seikata-wm-f593daa3b9b1]

Also known as: Helmet

Specifications

Movement

Quartz

Case Material

Stainless Steel

Case Width

44mm

Case Thickness

13.7mm

Lug Width

18mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

120m

Dial Color

Navy

Jewels

21j

Frequency

36,000 bph

Power Reserve

56 hours

Year

1976

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