Seiko Cal. 0740 - 651

Seiko 0740-651

The Seiko 0740-651 represents an important milestone in Seiko's 1981 lineup. Powered by the 0740 caliber with 33j jewels beating at 21,600 bph, it delivers a 50 hours power reserve. [seikata-wm-4a4ee700c337]

Also known as: Sportsmatic

Specifications

Movement
Hand-Winding
Case Material
Stainless Steel
Case Width
46mm
Case Thickness
13.8mm
Lug Width
21mm
Crystal
Hardlex
Bezel
Inner Rotating
Water Resistance
170m
Dial Color
Navy
Jewels
33j
Frequency
21,600 bph
Power Reserve
50 hours
Year
1981

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