Seiko Cal. 3878 - 810

This Hand-Winding model from 1976 features a 34mm PVD Black case. It features a Burgundy dial protected by a Sapphire crystal and offers 60m of water resistance. [seikata-wm-37425debf888]

Also known as: World Timer

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

34mm

Case Thickness

15.0mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

60m

Dial Color

Burgundy

Jewels

24j

Frequency

28,800 bph

Power Reserve

51 hours

Year

1976

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