Seiko Cal. 4423 - 546

The Seiko 4423-546 represents an important milestone in Seiko's 1987 lineup. It features a Black dial protected by a Mineral crystal and offers 150m of water resistance. [seikata-wm-989aae629110]

Also known as: Monster

Specifications

Movement

Kinetic

Case Material

Titanium

Case Width

39mm

Case Thickness

10.7mm

Lug Width

22mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

150m

Dial Color

Black

Jewels

35j

Frequency

28,800 bph

Power Reserve

69 hours

Year

1987

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