Seiko Cal. 5671 - 977

This Spring Drive model from 1975 features a 37mm PVD Black case. It features a White dial protected by a Mineral crystal and offers 70m of water resistance. [seikata-wm-f70049844674]

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

37mm

Case Thickness

13.4mm

Lug Width

19mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

70m

Dial Color

White

Jewels

19j

Frequency

36,000 bph

Power Reserve

63 hours

Year

1975

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