Seiko Cal. 5687 - 778

This Quartz model from 1989 features a 44mm Hardlex-Coated Steel case. Powered by the 5687 caliber with 35j jewels beating at 21,600 bph, it delivers a 48 hours power reserve. [seikata-wm-a5e5172d4397]

Also known as: Silverwave, Sportsmatic

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

44mm

Case Thickness

10.6mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

100m

Dial Color

Cream

Jewels

35j

Frequency

21,600 bph

Power Reserve

48 hours

Year

1989

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