Seiko Cal. 6694 - 506

The Seiko 6694-506 represents an important milestone in Seiko's 1965 lineup. Powered by the 6694 caliber with 32j jewels beating at 36,000 bph, it delivers a 37 hours power reserve. [seikata-wm-d6e41fe91ab0]

Also known as: Bullhead, Golden Tuna

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

42mm

Case Thickness

12.8mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

190m

Dial Color

Black

Jewels

32j

Frequency

36,000 bph

Power Reserve

37 hours

Year

1965

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