Seiko Cal. 5687 - 756

This Quartz model from 1980 features a 45mm Hardlex-Coated Steel case. Powered by the 5687 caliber with 21j jewels beating at 36,000 bph, it delivers a 45 hours power reserve. [seikata-wm-8fabc6c421d5]

Also known as: Crown

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

45mm

Case Thickness

13.9mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

200m

Dial Color

Champagne

Jewels

21j

Frequency

36,000 bph

Power Reserve

45 hours

Year

1980

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