Seiko Cal. 6354 - 428

This Spring Drive model from 1970 features a 38mm Hardlex-Coated Steel case. With its 22mm lug width and 8.9mm profile, it sits comfortably on most wrists. [seikata-wm-9a911155b0c4]

Also known as: Bellmatic, Navigator

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

38mm

Case Thickness

8.9mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

130m

Dial Color

Black

Jewels

32j

Frequency

36,000 bph

Power Reserve

53 hours

Year

1970

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