Seiko Cal. 4556 - 100

The Seiko 4556-100 represents an important milestone in Seiko's 1990 lineup. Powered by the 4556 caliber with 29j jewels beating at 36,000 bph, it delivers a 56 hours power reserve. [seikata-wm-b0df78d12509]

Also known as: Arnie

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

36mm

Case Thickness

15.9mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

120m

Dial Color

Cream

Jewels

29j

Frequency

36,000 bph

Power Reserve

56 hours

Year

1990

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