Seiko Cal. 5621 - 636

This Quartz model from 1987 features a 39mm Hardlex-Coated Steel case. It features a Silver dial protected by a Sapphire crystal and offers 150m of water resistance. [seikata-wm-ea1a8c10751a]

Also known as: Bullhead

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

15.7mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

150m

Dial Color

Silver

Jewels

27j

Frequency

36,000 bph

Power Reserve

69 hours

Year

1987

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