Seiko Cal. 5670 - 639

The 5670-639 is a sought-after Hand-Winding piece from Seiko's golden era. With its 22mm lug width and 10.7mm profile, it sits comfortably on most wrists. [seikata-wm-c6fa1cfa80f0]

Also known as: Turtle, Golden Tuna

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

45mm

Case Thickness

10.7mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

70m

Dial Color

Cream

Jewels

31j

Frequency

28,800 bph

Power Reserve

55 hours

Year

1974

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