Seiko Cal. 5622 - 903

This Spring Drive model from 1978 features a 39mm PVD Black case. Powered by the 5622 caliber with 36j jewels beating at 36,000 bph, it delivers a 58 hours power reserve. [seikata-wm-9dd46a004881]

Also known as: Sea Horse, Arnie

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

39mm

Case Thickness

15.0mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

70m

Dial Color

Silver

Jewels

36j

Frequency

36,000 bph

Power Reserve

58 hours

Year

1978

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