Seiko Cal. 5683 - 828

This Quartz model from 1978 features a 40mm Hardlex-Coated Steel case. Powered by the 5683 caliber with 24j jewels beating at 28,800 bph, it delivers a 38 hours power reserve. [seikata-wm-1947cacd8c61]

Also known as: Panda, Sportsmatic

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

15.4mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

130m

Dial Color

Blue Sunburst

Jewels

24j

Frequency

28,800 bph

Power Reserve

38 hours

Year

1978

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