Seiko Cal. 3866 - 403

This Hand-Winding model from 1974 features a 42mm PVD Black case. It features a Black dial protected by a Sapphire crystal and offers 150m of water resistance. [seikata-wm-b2a656d34f63]

Also known as: Helmet, Goldfeather

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

42mm

Case Thickness

10.0mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

150m

Dial Color

Black

Jewels

27j

Frequency

28,800 bph

Power Reserve

70 hours

Year

1974

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