Seiko Cal. 4556 - 737

The Seiko 4556-737 represents an important milestone in Seiko's 1999 lineup. It features a Blue Sunburst dial protected by a Mineral crystal and offers 190m of water resistance. [seikata-wm-25ce5bae0935]

Also known as: Monster

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

9.1mm

Lug Width

19mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

190m

Dial Color

Blue Sunburst

Jewels

21j

Frequency

36,000 bph

Power Reserve

55 hours

Year

1999

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