Seiko Cal. 7140 - 392

This Hand-Winding model from 1988 features a 41mm Gold-Plated case. Powered by the 7140 caliber with 26j jewels beating at 21,600 bph, it delivers a 42 hours power reserve. [seikata-wm-e067d39ea1cb]

Also known as: Tuna, UFO

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

41mm

Case Thickness

15.5mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

110m

Dial Color

Green

Jewels

26j

Frequency

21,600 bph

Power Reserve

42 hours

Year

1988

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