Seiko Cal. 5670 - 721

Seiko 5670-721

The 5670-721 is a sought-after Automatic piece from Seiko's golden era. Powered by the 5670 caliber with 31j jewels beating at 36,000 bph, it delivers a 55 hours power reserve. [seikata-wm-94a1c306e184]

Also known as: Sportsmatic, Emperor

Specifications

Movement
Automatic
Case Material
Hardlex-Coated Steel
Case Width
40mm
Case Thickness
14.0mm
Lug Width
19mm
Crystal
Hardlex
Bezel
Coin-Edge
Water Resistance
30m
Dial Color
Black
Jewels
31j
Frequency
36,000 bph
Power Reserve
55 hours
Year
1972

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seikata-wm-94a1c306e184