Seiko Cal. 6694 - 639

The 6694-639 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 6694 caliber with 17j jewels beating at 28,800 bph, it delivers a 57 hours power reserve. [seikata-wm-2705f8e6119c]

Also known as: Sportsmatic, Golden Tuna

Specifications

Movement

Kinetic

Case Material

Titanium

Case Width

37mm

Case Thickness

12.4mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

150m

Dial Color

Black

Jewels

17j

Frequency

28,800 bph

Power Reserve

57 hours

Year

1976

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