Seiko Cal. 0721 - 133

Seiko 0721-133

The 0721-133 is a sought-after Hand-Winding piece from Seiko's golden era. It features a Green dial protected by a Mineral crystal and offers 200m of water resistance. [seikata-wm-04cd2f9b40d8]

Also known as: Monster

Specifications

Movement
Hand-Winding
Case Material
Stainless Steel
Case Width
41mm
Case Thickness
13.0mm
Lug Width
20mm
Crystal
Mineral
Bezel
Fixed
Water Resistance
200m
Dial Color
Green
Jewels
23j
Frequency
36,000 bph
Power Reserve
70 hours
Year
1979

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