Seiko Cal. 3840 - 780

This Hand-Winding model from 1981 features a 40mm PVD Black case. It features a Silver dial protected by a Mineral crystal and offers 60m of water resistance. [seikata-wm-e565412a2015]

Also known as: Emperor

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

40mm

Case Thickness

9.4mm

Lug Width

20mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

60m

Dial Color

Silver

Jewels

26j

Frequency

28,800 bph

Power Reserve

69 hours

Year

1981

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