Seiko Cal. 6621 - 699

This Hand-Winding model from 1979 features a 39mm PVD Black case. It features a White dial protected by a Hardlex crystal and offers 140m of water resistance. [seikata-wm-ddbe5400e9f1]

Also known as: Monster

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

39mm

Case Thickness

8.3mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

140m

Dial Color

White

Jewels

26j

Frequency

36,000 bph

Power Reserve

63 hours

Year

1979

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