Seiko Cal. 4423 - 903

The Seiko 4423-903 represents an important milestone in Seiko's 1998 lineup. With its 19mm lug width and 10.6mm profile, it sits comfortably on most wrists. [seikata-wm-ecb64be1342c]

Also known as: Tuna, Baby Tuna

Specifications

Movement

Solar

Case Material

Titanium

Case Width

45mm

Case Thickness

10.6mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

90m

Dial Color

Champagne

Jewels

24j

Frequency

36,000 bph

Power Reserve

70 hours

Year

1998

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