Seiko Cal. 6627 - 354

This Spring Drive model from 1977 features a 41mm Stainless Steel case. The Bidirectional bezel and 41mm case give it a distinctive presence on the wrist. [seikata-wm-1130392add51]

Also known as: World Timer, Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

41mm

Case Thickness

10.5mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

200m

Dial Color

Green

Jewels

24j

Frequency

28,800 bph

Power Reserve

50 hours

Year

1977

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