Seiko Cal. 6698 - 355

This Spring Drive model from 1991 features a 34mm Two-Tone case. It features a Cream dial protected by a Acrylic crystal and offers 100m of water resistance. [seikata-wm-3847a32d2244]

Also known as: Monster, Sumo

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

34mm

Case Thickness

10.5mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

100m

Dial Color

Cream

Jewels

31j

Frequency

28,800 bph

Power Reserve

55 hours

Year

1991

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