Seiko Cal. 6257 - 425

This Automatic model from 1977 features a 35mm PVD Black case. It features a Green dial protected by a Hardlex crystal and offers 170m of water resistance. [seikata-wm-caf744ac27b3]

Also known as: Monster

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

35mm

Case Thickness

11.6mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

170m

Dial Color

Green

Jewels

34j

Frequency

36,000 bph

Power Reserve

62 hours

Year

1977

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