Seiko Cal. 7138 - 917

Seiko 7138-917

The 7138-917 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 7138 caliber with 30j jewels beating at 21,600 bph, it delivers a 54 hours power reserve. [seikata-wm-9363ca12f2b3]

Also known as: Monster, Bellmatic

Specifications

Movement
Kinetic
Case Material
Stainless Steel
Case Width
46mm
Case Thickness
10.6mm
Lug Width
22mm
Crystal
Sapphire
Bezel
Bidirectional
Water Resistance
130m
Dial Color
White
Jewels
30j
Frequency
21,600 bph
Power Reserve
54 hours
Year
1965

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seikata-wm-9363ca12f2b3