Seiko Cal. 5637 - 725

This Automatic model from 1986 features a 39mm PVD Black case. Powered by the 5637 caliber with 20j jewels beating at 21,600 bph, it delivers a 69 hours power reserve. [seikata-wm-e2356ea15413]

Also known as: Rally

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

39mm

Case Thickness

9.0mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

Champagne

Jewels

20j

Frequency

21,600 bph

Power Reserve

69 hours

Year

1986

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