Seiko Cal. 6625 - 298

This Spring Drive model from 1977 features a 39mm PVD Black case. Powered by the 6625 caliber with 31j jewels beating at 21,600 bph, it delivers a 54 hours power reserve. [seikata-wm-fd6c27dbafde]

Also known as: Helmet, Arnie

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

39mm

Case Thickness

14.2mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

60m

Dial Color

Green

Jewels

31j

Frequency

21,600 bph

Power Reserve

54 hours

Year

1977

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