Seiko Cal. 4537 - 766

This Spring Drive model from 1975 features a 46mm Titanium case. With its 18mm lug width and 13.2mm profile, it sits comfortably on most wrists. [seikata-wm-9e172037d399]

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

46mm

Case Thickness

13.2mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

160m

Dial Color

Blue Sunburst

Jewels

29j

Frequency

21,600 bph

Power Reserve

36 hours

Year

1975

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