Seiko Cal. 4540 - 891

This Hand-Winding model from 1982 features a 35mm Stainless Steel case. With its 21mm lug width and 13.4mm profile, it sits comfortably on most wrists. [seikata-wm-27b6f4edd28b]

Also known as: UFO, Navigator

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

35mm

Case Thickness

13.4mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

60m

Dial Color

Silver

Jewels

22j

Frequency

28,800 bph

Power Reserve

47 hours

Year

1982

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