Seiko Cal. 6378 - 220

This Hand-Winding model from 1968 features a 43mm Hardlex-Coated Steel case. It features a Champagne dial protected by a Acrylic crystal and offers 120m of water resistance. [seikata-wm-8cfb6c259912]

Also known as: UFO, Crown

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

43mm

Case Thickness

12.3mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

120m

Dial Color

Champagne

Jewels

18j

Frequency

36,000 bph

Power Reserve

41 hours

Year

1968

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