Seiko Cal. 4540 - 788

This Hand-Winding model from 1975 features a 44mm Titanium case. With its 22mm lug width and 10.6mm profile, it sits comfortably on most wrists. [seikata-wm-73ab670ada94]

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

44mm

Case Thickness

10.6mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

190m

Dial Color

Silver

Jewels

36j

Frequency

28,800 bph

Power Reserve

46 hours

Year

1975

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