Seiko Cal. 4585 - 901

This Spring Drive model from 1978 features a 45mm Titanium case. Powered by the 4585 caliber with 36j jewels beating at 36,000 bph, it delivers a 42 hours power reserve. [seikata-wm-30d305c2b850]

Also known as: Sportsmatic

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

45mm

Case Thickness

15.8mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

130m

Dial Color

Silver

Jewels

36j

Frequency

36,000 bph

Power Reserve

42 hours

Year

1978

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