Seiko Cal. 5638 - 385

This Hand-Winding model from 1990 features a 42mm PVD Black case. Powered by the 5638 caliber with 27j jewels beating at 36,000 bph, it delivers a 56 hours power reserve. [seikata-wm-173cafaba440]

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

42mm

Case Thickness

9.4mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

170m

Dial Color

Green

Jewels

27j

Frequency

36,000 bph

Power Reserve

56 hours

Year

1990

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