Seiko Cal. 6693 - 186

This Spring Drive model from 1975 features a 39mm PVD Black case. It features a Burgundy dial protected by a Hardlex crystal and offers 90m of water resistance. [seikata-wm-7b9fc8f096a8]

Also known as: Monster, Emperor

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

39mm

Case Thickness

15.3mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

90m

Dial Color

Burgundy

Jewels

31j

Frequency

36,000 bph

Power Reserve

69 hours

Year

1975

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