Seiko Cal. 7183 - 397

This Hand-Winding model from 1978 features a 39mm Gold-Plated case. With its 22mm lug width and 12.7mm profile, it sits comfortably on most wrists. [seikata-wm-cd8214ba8328]

Also known as: Tuna, World Timer

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

39mm

Case Thickness

12.7mm

Lug Width

22mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

140m

Dial Color

Blue Sunburst

Jewels

28j

Frequency

36,000 bph

Power Reserve

47 hours

Year

1978

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