Seiko Cal. 7099 - 642

This Hand-Winding model from 1978 features a 39mm Hardlex-Coated Steel case. Powered by the 7099 caliber with 31j jewels beating at 21,600 bph, it delivers a 66 hours power reserve. [seikata-wm-ae4bae1bdf45]

Also known as: UFO, Goldfeather

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

11.3mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

200m

Dial Color

Silver

Jewels

31j

Frequency

21,600 bph

Power Reserve

66 hours

Year

1978

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