Seiko Cal. 5621 - 787

This Quartz model from 1980 features a 40mm Stainless Steel case. It features a Navy dial protected by a Sapphire crystal and offers 100m of water resistance. [seikata-wm-a07d9687362f]

Specifications

Movement

Quartz

Case Material

Stainless Steel

Case Width

40mm

Case Thickness

13.8mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

100m

Dial Color

Navy

Jewels

23j

Frequency

21,600 bph

Power Reserve

69 hours

Year

1980

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