Seiko Cal. 5657 - 414

This Spring Drive model from 1974 features a 39mm PVD Black case. It features a Green dial protected by a Mineral crystal and offers 140m of water resistance. [seikata-wm-223051caed47]

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

39mm

Case Thickness

12.3mm

Lug Width

19mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

Green

Jewels

36j

Frequency

36,000 bph

Power Reserve

38 hours

Year

1974

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