Seiko Cal. 6634 - 477

The Seiko 6634-477 represents an important milestone in Seiko's 1998 lineup. It features a Green dial protected by a Mineral crystal and offers 200m of water resistance. [seikata-wm-db228be2b6dd]

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

35mm

Case Thickness

8.5mm

Lug Width

21mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

200m

Dial Color

Green

Jewels

27j

Frequency

28,800 bph

Power Reserve

55 hours

Year

1998

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