Seiko Cal. 7138 - 407

Seiko 7138-407

The 7138-407 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 7138 caliber with 22j jewels beating at 21,600 bph, it delivers a 46 hours power reserve. [seikata-wm-6151c3a8e66a]

Also known as: Samurai

Specifications

Movement
Spring Drive
Case Material
Hardlex-Coated Steel
Case Width
36mm
Case Thickness
15.0mm
Lug Width
20mm
Crystal
Mineral
Bezel
Fixed
Water Resistance
140m
Dial Color
Burgundy
Jewels
22j
Frequency
21,600 bph
Power Reserve
46 hours
Year
1991

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