Seiko Cal. 6388 - 646

This Spring Drive model from 1965 features a 41mm Hardlex-Coated Steel case. It features a Cream dial protected by a Acrylic crystal and offers 90m of water resistance. [seikata-wm-2fb16623ba21]

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

41mm

Case Thickness

14.1mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

90m

Dial Color

Cream

Jewels

26j

Frequency

28,800 bph

Power Reserve

43 hours

Year

1965

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