Seiko Cal. 4556 - 166

The Seiko 4556-166 represents an important milestone in Seiko's 1995 lineup. It features a White dial protected by a Sapphire crystal and offers 160m of water resistance. [seikata-wm-d5d6f7f3b027]

Also known as: Bellmatic

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

35mm

Case Thickness

9.3mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

160m

Dial Color

White

Jewels

31j

Frequency

21,600 bph

Power Reserve

50 hours

Year

1995

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