Seiko Cal. 7140 - 898

Seiko 7140-898

The 7140-898 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 7140 caliber with 21j jewels beating at 36,000 bph, it delivers a 71 hours power reserve. [seikata-wm-b2f31fea39fd]

Also known as: Bullhead, Baby Tuna

Specifications

Movement
Kinetic
Case Material
Gold-Plated
Case Width
35mm
Case Thickness
9.9mm
Lug Width
21mm
Crystal
Hardlex
Bezel
Bidirectional
Water Resistance
80m
Dial Color
Green
Jewels
21j
Frequency
36,000 bph
Power Reserve
71 hours
Year
1993

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