Seiko Cal. 7137 - 144

Seiko 7137-144

The 7137-144 is a sought-after Hand-Winding piece from Seiko's golden era. The Bidirectional bezel and 36mm case give it a distinctive presence on the wrist. [seikata-wm-4e86e5790b80]

Also known as: Sumo, Goldfeather

Specifications

Movement
Hand-Winding
Case Material
PVD Black
Case Width
36mm
Case Thickness
14.1mm
Lug Width
18mm
Crystal
Sapphire
Bezel
Bidirectional
Water Resistance
150m
Dial Color
Green
Jewels
22j
Frequency
21,600 bph
Power Reserve
50 hours
Year
1970

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