Seiko Cal. 7023 - 311

This Spring Drive model from 1973 features a 40mm Titanium case. With its 21mm lug width and 10.4mm profile, it sits comfortably on most wrists. [seikata-wm-6427510c408b]

Also known as: Golden Tuna

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

40mm

Case Thickness

10.4mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

110m

Dial Color

Silver

Jewels

28j

Frequency

36,000 bph

Power Reserve

55 hours

Year

1973

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