Seiko Cal. 3872 - 604

This Hand-Winding model from 1992 features a 38mm PVD Black case. Powered by the 3872 caliber with 22j jewels beating at 21,600 bph, it delivers a 65 hours power reserve. [seikata-wm-5dc8c7148a70]

Also known as: Monster, Navigator

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

38mm

Case Thickness

13.1mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

80m

Dial Color

Navy

Jewels

22j

Frequency

21,600 bph

Power Reserve

65 hours

Year

1992

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