Seiko Cal. 7121 - 357

Seiko 7121-357

The 7121-357 is a sought-after Hand-Winding piece from Seiko's golden era. The Fixed bezel and 34mm case give it a distinctive presence on the wrist. [seikata-wm-3c91da011a66]

Also known as: Baby Tuna

Specifications

Movement
Hand-Winding
Case Material
Titanium
Case Width
34mm
Case Thickness
9.2mm
Lug Width
20mm
Crystal
Acrylic
Bezel
Fixed
Water Resistance
150m
Dial Color
Green
Jewels
34j
Frequency
21,600 bph
Power Reserve
56 hours
Year
1970

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