Seiko Cal. 4423 - 737

The 4423-737 is a sought-after Solar piece from Seiko's golden era. Powered by the 4423 caliber with 21j jewels beating at 21,600 bph, it delivers a 59 hours power reserve. [seikata-wm-9c3be5bb109a]

Also known as: Bullhead

Specifications

Movement

Solar

Case Material

Titanium

Case Width

35mm

Case Thickness

13.1mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

50m

Dial Color

Champagne

Jewels

21j

Frequency

21,600 bph

Power Reserve

59 hours

Year

1994

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