Seiko Cal. 5684 - 918

This Quartz model from 1983 features a 39mm Two-Tone case. Powered by the 5684 caliber with 25j jewels beating at 28,800 bph, it delivers a 48 hours power reserve. [seikata-wm-28391da0edc7]

Also known as: Sportsmatic, World Timer

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

39mm

Case Thickness

13.5mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

100m

Dial Color

Green

Jewels

25j

Frequency

28,800 bph

Power Reserve

48 hours

Year

1983

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