Seiko Cal. 4526 - 657

This Automatic model from 1978 features a 40mm Two-Tone case. With its 19mm lug width and 15.0mm profile, it sits comfortably on most wrists. [seikata-wm-518c5d7a80ec]

Also known as: Monster, Emperor

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

40mm

Case Thickness

15.0mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

60m

Dial Color

Green

Jewels

34j

Frequency

21,600 bph

Power Reserve

50 hours

Year

1978

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