Seiko Cal. 7191 - 683

The 7191-683 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 7191 caliber with 29j jewels beating at 28,800 bph, it delivers a 70 hours power reserve. [seikata-wm-8098cc0bda4d]

Also known as: UFO, Sportsmatic

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

10.2mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

60m

Dial Color

Silver

Jewels

29j

Frequency

28,800 bph

Power Reserve

70 hours

Year

1990

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