Seiko Cal. 6632 - 478

The Seiko 6632-478 represents an important milestone in Seiko's 1971 lineup. It features a White dial protected by a Hardlex crystal and offers 60m of water resistance. [seikata-wm-f62a43b8263c]

Also known as: Samurai, Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

36mm

Case Thickness

11.8mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

60m

Dial Color

White

Jewels

29j

Frequency

36,000 bph

Power Reserve

71 hours

Year

1971

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