Seiko Cal. 7149 - 438

Seiko 7149-438

The 7149-438 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 7149 caliber with 17j jewels beating at 21,600 bph, it delivers a 68 hours power reserve. [seikata-wm-c3b9913e0a73]

Also known as: Sumo

Specifications

Movement
Spring Drive
Case Material
Stainless Steel
Case Width
39mm
Case Thickness
9.6mm
Lug Width
20mm
Crystal
Sapphire
Bezel
Fixed
Water Resistance
60m
Dial Color
White
Jewels
17j
Frequency
21,600 bph
Power Reserve
68 hours
Year
1975

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