Seiko Cal. 4431 - 144

The 4431-144 is a sought-after Solar piece from Seiko's golden era. Powered by the 4431 caliber with 24j jewels beating at 36,000 bph, it delivers a 60 hours power reserve. [seikata-wm-c319adc029e3]

Also known as: Tuna, Silverwave

Specifications

Movement

Solar

Case Material

Titanium

Case Width

41mm

Case Thickness

8.0mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

150m

Dial Color

Burgundy

Jewels

24j

Frequency

36,000 bph

Power Reserve

60 hours

Year

1998

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