Seiko Cal. 4491 - 638

This Hand-Winding model from 1967 features a 39mm Stainless Steel case. With its 21mm lug width and 9.2mm profile, it sits comfortably on most wrists. [seikata-wm-c27eef7ddc44]

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

39mm

Case Thickness

9.2mm

Lug Width

21mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

190m

Dial Color

Navy

Jewels

32j

Frequency

28,800 bph

Power Reserve

69 hours

Year

1967

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