Seiko Cal. 6389 - 763

This Quartz model from 1980 features a 37mm Titanium case. It features a Green dial protected by a Sapphire crystal and offers 70m of water resistance. [seikata-wm-b2aca870218f]

Also known as: Monster

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

37mm

Case Thickness

9.1mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

70m

Dial Color

Green

Jewels

31j

Frequency

28,800 bph

Power Reserve

36 hours

Year

1980

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