Seiko Cal. 6681 - 736

The Seiko 6681-736 represents an important milestone in Seiko's 1965 lineup. Powered by the 6681 caliber with 33j jewels beating at 21,600 bph, it delivers a 70 hours power reserve. [seikata-wm-d38b264aba54]

Also known as: Tuna, Pogue

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

43mm

Case Thickness

13.8mm

Lug Width

21mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

190m

Dial Color

Cream

Jewels

33j

Frequency

21,600 bph

Power Reserve

70 hours

Year

1965

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