Seiko Cal. 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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