Seiko Cal. 5657 - 362

This Quartz model from 1975 features a 46mm Titanium case. Powered by the 5657 caliber with 21j jewels beating at 28,800 bph, it delivers a 59 hours power reserve. [seikata-wm-86bba010f590]

Also known as: Helmet, Goldfeather

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

46mm

Case Thickness

9.5mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

50m

Dial Color

Green

Jewels

21j

Frequency

28,800 bph

Power Reserve

59 hours

Year

1975

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