Seiko Cal. 0721 - 864

Seiko 0721-864

The Seiko 0721-864 represents an important milestone in Seiko's 1980 lineup. Powered by the 0721 caliber with 24j jewels beating at 21,600 bph, it delivers a 70 hours power reserve. [seikata-wm-e0debe4b7810]

Also known as: Sportsmatic, Sea Horse

Specifications

Movement
Hand-Winding
Case Material
Stainless Steel
Case Width
37mm
Case Thickness
15.7mm
Lug Width
19mm
Crystal
Hardlex
Bezel
Fixed
Water Resistance
170m
Dial Color
Cream
Jewels
24j
Frequency
21,600 bph
Power Reserve
70 hours
Year
1980

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seikata-wm-e0debe4b7810