Seiko Cal. 6689 - 244

This Spring Drive model from 1970 features a 41mm Hardlex-Coated Steel case. With its 22mm lug width and 15.7mm profile, it sits comfortably on most wrists. [seikata-wm-3742f5308034]

Also known as: Tuna, Bullhead

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

41mm

Case Thickness

15.7mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

80m

Dial Color

Burgundy

Jewels

24j

Frequency

21,600 bph

Power Reserve

51 hours

Year

1970

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