Seiko Cal. 0721 - 401

Seiko 0721-401

The 0721-401 is a sought-after Automatic piece from Seiko's golden era. Powered by the 0721 caliber with 34j jewels beating at 36,000 bph, it delivers a 67 hours power reserve. [seikata-wm-d1cfae90f5e5]

Also known as: Sumo

Specifications

Movement
Automatic
Case Material
Stainless Steel
Case Width
34mm
Case Thickness
13.2mm
Lug Width
20mm
Crystal
Mineral
Bezel
Fixed
Water Resistance
40m
Dial Color
Burgundy
Jewels
34j
Frequency
36,000 bph
Power Reserve
67 hours
Year
1988

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