Seiko Cal. 4537 - 708

This Hand-Winding model from 1980 features a 37mm Titanium case. Powered by the 4537 caliber with 23j jewels beating at 21,600 bph, it delivers a 43 hours power reserve. [seikata-wm-6b6c3ca5946c]

Also known as: UFO, Rally

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

37mm

Case Thickness

10.2mm

Lug Width

22mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

140m

Dial Color

Cream

Jewels

23j

Frequency

21,600 bph

Power Reserve

43 hours

Year

1980

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