Seiko Cal. 6378 - 811

This Hand-Winding model from 1965 features a 36mm PVD Black case. It features a Silver dial protected by a Sapphire crystal and offers 80m of water resistance. [seikata-wm-76e3fc293d73]

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

36mm

Case Thickness

9.0mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

80m

Dial Color

Silver

Jewels

21j

Frequency

28,800 bph

Power Reserve

37 hours

Year

1965

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