Seiko Cal. 4580 - 668

This Quartz model from 1966 features a 41mm Two-Tone case. Powered by the 4580 caliber with 31j jewels beating at 36,000 bph, it delivers a 48 hours power reserve. [seikata-wm-14a2be9f769a]

Also known as: Monster, Helmet

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

41mm

Case Thickness

14.3mm

Lug Width

22mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

110m

Dial Color

Green

Jewels

31j

Frequency

36,000 bph

Power Reserve

48 hours

Year

1966

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