Seiko Cal. 4412 - 378

This Hand-Winding model from 1966 features a 39mm Hardlex-Coated Steel case. It features a Black dial protected by a Mineral crystal and offers 180m of water resistance. [seikata-wm-b0f5178b04a2]

Also known as: Bellmatic

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

11.1mm

Lug Width

18mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

180m

Dial Color

Black

Jewels

27j

Frequency

36,000 bph

Power Reserve

56 hours

Year

1966

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