Seiko Cal. 4555 - 641

The Seiko 4555-641 represents an important milestone in Seiko's 1988 lineup. It features a Green dial protected by a Mineral crystal and offers 140m of water resistance. [seikata-wm-ab5ee7902b2e]

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

41mm

Case Thickness

13.6mm

Lug Width

18mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

140m

Dial Color

Green

Jewels

22j

Frequency

21,600 bph

Power Reserve

41 hours

Year

1988

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