Seiko Cal. 4423 - 863

Released in 1985, the Cal. 4423 with design code 863 was part of Seiko's domestic market collection. It features a White dial protected by a Mineral crystal and offers 110m of water resistance. [seikata-wm-c03b5b97320f]

Also known as: UFO, Baby Tuna

Specifications

Movement

Solar

Case Material

Titanium

Case Width

34mm

Case Thickness

15.3mm

Lug Width

21mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

110m

Dial Color

White

Jewels

31j

Frequency

21,600 bph

Power Reserve

44 hours

Year

1985

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