Seiko Cal. 5688 - 136

This Hand-Winding model from 1969 features a 41mm Hardlex-Coated Steel case. With its 22mm lug width and 14.3mm profile, it sits comfortably on most wrists. [seikata-wm-0ec6335de004]

Also known as: Turtle

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

41mm

Case Thickness

14.3mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

50m

Dial Color

Silver

Jewels

19j

Frequency

21,600 bph

Power Reserve

49 hours

Year

1969

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