Seiko Cal. 4423 - 691

The 4423-691 is a sought-after Solar piece from Seiko's golden era. Powered by the 4423 caliber with 18j jewels beating at 36,000 bph, it delivers a 39 hours power reserve. [seikata-wm-aed2a28d92e7]

Also known as: Pogue, Bellmatic

Specifications

Movement

Solar

Case Material

Titanium

Case Width

46mm

Case Thickness

12.1mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

180m

Dial Color

Champagne

Jewels

18j

Frequency

36,000 bph

Power Reserve

39 hours

Year

1974

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