Seiko Cal. 6681 - 366

Seiko 6681-366

The Seiko 6681-366 represents an important milestone in Seiko's 1968 lineup. Powered by the 6681 caliber with 32j jewels beating at 36,000 bph, it delivers a 39 hours power reserve. [seikata-wm-01e7bf658be2]

Also known as: Sea Horse, Golden Tuna

Specifications

Movement
Quartz
Case Material
Gold-Plated
Case Width
40mm
Case Thickness
10.0mm
Lug Width
22mm
Crystal
Hardlex
Bezel
Rotating
Water Resistance
80m
Dial Color
Silver
Jewels
32j
Frequency
36,000 bph
Power Reserve
39 hours
Year
1968

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