Seiko Cal. 7138 - 268

Seiko 7138-268

The 7138-268 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 7138 caliber with 32j jewels beating at 36,000 bph, it delivers a 51 hours power reserve. [seikata-wm-8e0f77caea57]

Also known as: Bullhead

Specifications

Movement
Spring Drive
Case Material
Stainless Steel
Case Width
45mm
Case Thickness
11.3mm
Lug Width
20mm
Crystal
Mineral
Bezel
Fixed
Water Resistance
30m
Dial Color
Black
Jewels
32j
Frequency
36,000 bph
Power Reserve
51 hours
Year
1969

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