Seiko Cal. 0772 - 681

Seiko 0772-681

The Seiko 0772-681 represents an important milestone in Seiko's 1970 lineup. Powered by the 0772 caliber with 33j jewels beating at 21,600 bph, it delivers a 51 hours power reserve. [seikata-wm-e84339ea89a7]

Also known as: Tuna, World Timer

Specifications

Movement
Hand-Winding
Case Material
Two-Tone
Case Width
40mm
Case Thickness
10.5mm
Lug Width
19mm
Crystal
Sapphire
Bezel
Inner Rotating
Water Resistance
40m
Dial Color
Blue Sunburst
Jewels
33j
Frequency
21,600 bph
Power Reserve
51 hours
Year
1970

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