Seiko Cal. 6660 - 369

This Automatic model from 1974 features a 34mm Titanium case. Powered by the 6660 caliber with 36j jewels beating at 28,800 bph, it delivers a 54 hours power reserve. [seikata-wm-e424a4ef4fe9]

Also known as: Bullhead, Baby Tuna

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

34mm

Case Thickness

15.1mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

100m

Dial Color

White

Jewels

36j

Frequency

28,800 bph

Power Reserve

54 hours

Year

1974

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