Seiko Cal. 6660 - 612

This Hand-Winding model from 1966 features a 38mm Titanium case. Powered by the 6660 caliber with 29j jewels beating at 21,600 bph, it delivers a 48 hours power reserve. [seikata-wm-18bec2f12014]

Also known as: Tuna, Golden Tuna

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

38mm

Case Thickness

14.9mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

80m

Dial Color

Silver

Jewels

29j

Frequency

21,600 bph

Power Reserve

48 hours

Year

1966

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