Seiko Cal. 6661 - 387

This Automatic model from 1979 features a 45mm Titanium case. Powered by the 6661 caliber with 18j jewels beating at 21,600 bph, it delivers a 67 hours power reserve. [seikata-wm-8f015d7204bf]

Also known as: Baby Tuna

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

45mm

Case Thickness

15.2mm

Lug Width

22mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

150m

Dial Color

Champagne

Jewels

18j

Frequency

21,600 bph

Power Reserve

67 hours

Year

1979

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