Seiko Cal. 4423 - 665

This Automatic model from 1987 features a 43mm PVD Black case. Powered by the 4423 caliber with 21j jewels beating at 28,800 bph, it delivers a 64 hours power reserve. [seikata-wm-7488e9ece2b6]

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

43mm

Case Thickness

15.3mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

80m

Dial Color

Black

Jewels

21j

Frequency

28,800 bph

Power Reserve

64 hours

Year

1987

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