Seiko Cal. 6633 - 374

This Quartz model from 1984 features a 35mm PVD Black case. It features a Silver dial protected by a Sapphire crystal and offers 130m of water resistance. [seikata-wm-9568cf2d23b1]

Also known as: Sumo, Helmet

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

35mm

Case Thickness

9.9mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

130m

Dial Color

Silver

Jewels

18j

Frequency

36,000 bph

Power Reserve

59 hours

Year

1984

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