Seiko Cal. 6138 - 230

Seiko 6138-230

The 6138-230 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 6138 caliber with 21j jewels beating at 21,600 bph, it delivers a 62 hours power reserve. [seikata-wm-82658c7b46bb]

Also known as: Bullhead

Specifications

Movement
Hand-Winding
Case Material
Titanium
Case Width
35mm
Case Thickness
15.8mm
Lug Width
22mm
Crystal
Acrylic
Bezel
Fixed
Water Resistance
40m
Dial Color
Cream
Jewels
21j
Frequency
21,600 bph
Power Reserve
62 hours
Year
1970

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