Seiko Cal. 4577 - 778

This Hand-Winding model from 1976 features a 46mm Titanium case. With its 18mm lug width and 15.6mm profile, it sits comfortably on most wrists. [seikata-wm-c6b0a7caac4c]

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

46mm

Case Thickness

15.6mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

70m

Dial Color

Champagne

Jewels

34j

Frequency

21,600 bph

Power Reserve

61 hours

Year

1976

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