Seiko Cal. 4555 - 738

This Hand-Winding model from 1971 features a 38mm Hardlex-Coated Steel case. With its 22mm lug width and 13.3mm profile, it sits comfortably on most wrists. [seikata-wm-05ce03f51e14]

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

38mm

Case Thickness

13.3mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

130m

Dial Color

Navy

Jewels

36j

Frequency

21,600 bph

Power Reserve

46 hours

Year

1971

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