Seiko Cal. 6634 - 656

The Seiko 6634-656 represents an important milestone in Seiko's 1985 lineup. It features a Burgundy dial protected by a Sapphire crystal and offers 120m of water resistance. [seikata-wm-e53ca1d025cb]

Also known as: Monster, UFO

Specifications

Movement

Solar

Case Material

Gold-Plated

Case Width

36mm

Case Thickness

13.2mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

120m

Dial Color

Burgundy

Jewels

29j

Frequency

21,600 bph

Power Reserve

53 hours

Year

1985

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