Seiko Cal. 6684 - 627

This Spring Drive model from 1974 features a 37mm PVD Black case. Powered by the 6684 caliber with 30j jewels beating at 36,000 bph, it delivers a 46 hours power reserve. [seikata-wm-5387134466fa]

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

37mm

Case Thickness

15.7mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

70m

Dial Color

White

Jewels

30j

Frequency

36,000 bph

Power Reserve

46 hours

Year

1974

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