Seiko Cal. 6648 - 615

This Spring Drive model from 1970 features a 37mm PVD Black case. The Rotating bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-c771dddf01af]

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

37mm

Case Thickness

15.1mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

190m

Dial Color

White

Jewels

32j

Frequency

28,800 bph

Power Reserve

70 hours

Year

1970

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