Seiko Cal. 5661 - 442

The Seiko 5661-442 represents an important milestone in Seiko's 1997 lineup. It features a Blue Sunburst dial protected by a Sapphire crystal and offers 150m of water resistance. [seikata-wm-e4eca310b212]

Also known as: Monster

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

45mm

Case Thickness

15.8mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

150m

Dial Color

Blue Sunburst

Jewels

32j

Frequency

36,000 bph

Power Reserve

37 hours

Year

1997

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