Seiko Cal. 4550 - 892

The Seiko 4550-892 represents an important milestone in Seiko's 1988 lineup. It features a Black dial protected by a Mineral crystal and offers 170m of water resistance. [seikata-wm-9159a6fa1f05]

Also known as: Helmet

Specifications

Movement

Solar

Case Material

Titanium

Case Width

36mm

Case Thickness

10.7mm

Lug Width

19mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

170m

Dial Color

Black

Jewels

21j

Frequency

28,800 bph

Power Reserve

57 hours

Year

1988

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