Seiko Cal. 6378 - 624

This Spring Drive model from 1973 features a 44mm Hardlex-Coated Steel case. It features a Cream dial protected by a Mineral crystal and offers 150m of water resistance. [seikata-wm-d75719a336a2]

Also known as: World Timer

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

44mm

Case Thickness

10.2mm

Lug Width

19mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

150m

Dial Color

Cream

Jewels

26j

Frequency

21,600 bph

Power Reserve

61 hours

Year

1973

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