Seiko Cal. 6694 - 738

The 6694-738 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 6694 caliber with 17j jewels beating at 21,600 bph, it delivers a 61 hours power reserve. [seikata-wm-ebbbf0791911]

Also known as: Golden Tuna

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

35mm

Case Thickness

10.4mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

180m

Dial Color

Green

Jewels

17j

Frequency

21,600 bph

Power Reserve

61 hours

Year

1971

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