Seiko Cal. 4423 - 354

The 4423-354 is a sought-after Spring Drive piece from Seiko's golden era. The Coin-Edge bezel and 41mm case give it a distinctive presence on the wrist. [seikata-wm-4fe54cce10ad]

Also known as: Turtle, UFO

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

41mm

Case Thickness

15.0mm

Lug Width

21mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

190m

Dial Color

Silver

Jewels

17j

Frequency

28,800 bph

Power Reserve

42 hours

Year

1999

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