Seiko Cal. 7073 - 503

Seiko 7073-503

The Seiko 7073-503 represents an important milestone in Seiko's 1971 lineup. Powered by the 7073 caliber with 29j jewels beating at 28,800 bph, it delivers a 62 hours power reserve. [seikata-wm-071b6301bbc2]

Also known as: Silverwave, Sportsmatic

Specifications

Movement
Hand-Winding
Case Material
Stainless Steel
Case Width
36mm
Case Thickness
15.8mm
Lug Width
22mm
Crystal
Sapphire
Bezel
Fixed
Water Resistance
30m
Dial Color
Silver
Jewels
29j
Frequency
28,800 bph
Power Reserve
62 hours
Year
1971

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seikata-wm-071b6301bbc2