Seiko Cal. 6693 - 273

This Automatic model from 1977 features a 42mm Stainless Steel case. Powered by the 6693 caliber with 21j jewels beating at 36,000 bph, it delivers a 49 hours power reserve. [seikata-wm-0d2f6392c600]

Also known as: Tuna

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

42mm

Case Thickness

12.7mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

40m

Dial Color

Burgundy

Jewels

21j

Frequency

36,000 bph

Power Reserve

49 hours

Year

1977

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