Seiko Cal. 7145 - 683

Seiko 7145-683

The Seiko 7145-683 represents an important milestone in Seiko's 1986 lineup. Powered by the 7145 caliber with 17j jewels beating at 28,800 bph, it delivers a 62 hours power reserve. [seikata-wm-d501413a6003]

Also known as: Helmet, Sportsmatic

Specifications

Movement
Hand-Winding
Case Material
Gold-Plated
Case Width
37mm
Case Thickness
10.0mm
Lug Width
22mm
Crystal
Acrylic
Bezel
Inner Rotating
Water Resistance
150m
Dial Color
Silver
Jewels
17j
Frequency
28,800 bph
Power Reserve
62 hours
Year
1986

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seikata-wm-d501413a6003