Seiko Cal. 5691 - 652

The 5691-652 is a sought-after Hand-Winding piece from Seiko's golden era. With its 19mm lug width and 10.5mm profile, it sits comfortably on most wrists. [seikata-wm-73dff445db48]

Also known as: Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

40mm

Case Thickness

10.5mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

30m

Dial Color

Green

Jewels

35j

Frequency

21,600 bph

Power Reserve

49 hours

Year

1988

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