Seiko Cal. 6698 - 551

The Seiko 6698-551 represents an important milestone in Seiko's 1975 lineup. It features a Silver dial protected by a Hardlex crystal and offers 160m of water resistance. [seikata-wm-bb9fc0a6c009]

Also known as: Monster, Shogun

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

37mm

Case Thickness

11.4mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

160m

Dial Color

Silver

Jewels

24j

Frequency

28,800 bph

Power Reserve

50 hours

Year

1975

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