Seiko Cal. 5661 - 498

The Seiko 5661-498 represents an important milestone in Seiko's 1999 lineup. It features a Black dial protected by a Acrylic crystal and offers 100m of water resistance. [seikata-wm-4e3016a0424d]

Also known as: Monster, Silverwave

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

43mm

Case Thickness

11.4mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

100m

Dial Color

Black

Jewels

18j

Frequency

36,000 bph

Power Reserve

53 hours

Year

1999

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