Seiko Cal. 6693 - 551

The Seiko 6693-551 represents an important milestone in Seiko's 1974 lineup. It features a Silver dial protected by a Mineral crystal and offers 160m of water resistance. [seikata-wm-3123450b0556]

Also known as: Monster, Emperor

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

36mm

Case Thickness

15.9mm

Lug Width

22mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

160m

Dial Color

Silver

Jewels

21j

Frequency

28,800 bph

Power Reserve

57 hours

Year

1974

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