Seiko Cal. 5658 - 939

The 5658-939 is a sought-after Hand-Winding piece from Seiko's golden era. With its 22mm lug width and 12.8mm profile, it sits comfortably on most wrists. [seikata-wm-4ee12cf0b1ee]

Also known as: Golden Tuna

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

35mm

Case Thickness

12.8mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

30m

Dial Color

Green

Jewels

33j

Frequency

36,000 bph

Power Reserve

36 hours

Year

1973

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