Seiko Cal. 0733 - 381

This Spring Drive model from 1971 features a 45mm Gold-Plated case. With its 22mm lug width and 15.6mm profile, it sits comfortably on most wrists. [seikata-wm-9716c0d8cf44]

Also known as: Baby Tuna, Emperor

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

45mm

Case Thickness

15.6mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

150m

Dial Color

Green

Jewels

17j

Frequency

28,800 bph

Power Reserve

62 hours

Year

1971

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