Seiko Cal. 5627 - 978

This Spring Drive model from 1981 features a 40mm Titanium case. Powered by the 5627 caliber with 34j jewels beating at 21,600 bph, it delivers a 46 hours power reserve. [seikata-wm-1c894fed61c1]

Also known as: Sea Horse

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

40mm

Case Thickness

15.1mm

Lug Width

21mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

160m

Dial Color

Navy

Jewels

34j

Frequency

21,600 bph

Power Reserve

46 hours

Year

1981

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