Seiko Cal. 7138 - 487

Seiko 7138-487

The 7138-487 is a sought-after Spring Drive piece from Seiko's golden era. The Rotating bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-d1b6b2b87d5b]

Also known as: Goldfeather

Specifications

Movement
Spring Drive
Case Material
Gold-Plated
Case Width
37mm
Case Thickness
8.8mm
Lug Width
22mm
Crystal
Hardlex
Bezel
Rotating
Water Resistance
40m
Dial Color
Green
Jewels
17j
Frequency
36,000 bph
Power Reserve
60 hours
Year
1979

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