Seiko Cal. 4491 - 690

The Seiko 4491-690 represents an important milestone in Seiko's 1998 lineup. It features a Silver dial protected by a Sapphire crystal and offers 200m of water resistance. [seikata-wm-4d437fc4caf7]

Also known as: Monster

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

39mm

Case Thickness

12.0mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

200m

Dial Color

Silver

Jewels

20j

Frequency

36,000 bph

Power Reserve

64 hours

Year

1998

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