Seiko Cal. 3837 - 521

This Hand-Winding model from 1980 features a 40mm PVD Black case. It features a Black dial protected by a Sapphire crystal and offers 160m of water resistance. [seikata-wm-a31fb5f0be33]

Also known as: Emperor

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

40mm

Case Thickness

9.5mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

160m

Dial Color

Black

Jewels

28j

Frequency

36,000 bph

Power Reserve

36 hours

Year

1980

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