Seiko Cal. 7144 - 639

This Spring Drive model from 1996 features a 34mm Hardlex-Coated Steel case. Powered by the 7144 caliber with 31j jewels beating at 36,000 bph, it delivers a 65 hours power reserve. [seikata-wm-38f311b5f368]

Also known as: Goldfeather, Sportsmatic

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

34mm

Case Thickness

9.2mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

200m

Dial Color

Silver

Jewels

31j

Frequency

36,000 bph

Power Reserve

65 hours

Year

1996

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