Seiko Cal. 5635 - 878

This Spring Drive model from 1997 features a 45mm Two-Tone case. It features a Navy dial protected by a Hardlex crystal and offers 30m of water resistance. [seikata-wm-645e02e04591]

Also known as: Monster, Silverwave

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

45mm

Case Thickness

15.5mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

30m

Dial Color

Navy

Jewels

31j

Frequency

36,000 bph

Power Reserve

43 hours

Year

1997

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