Seiko Cal. 0721 - 134

Seiko 0721-134

The 0721-134 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 0721 caliber with 33j jewels beating at 36,000 bph, it delivers a 70 hours power reserve. [seikata-wm-a4fdf480028f]

Also known as: Sumo, Baby Tuna

Specifications

Movement
Hand-Winding
Case Material
Hardlex-Coated Steel
Case Width
34mm
Case Thickness
8.0mm
Lug Width
21mm
Crystal
Sapphire
Bezel
Coin-Edge
Water Resistance
150m
Dial Color
Black
Jewels
33j
Frequency
36,000 bph
Power Reserve
70 hours
Year
1980

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