Seiko Cal. 4433 - 663

The 4433-663 is a sought-after Solar piece from Seiko's golden era. Powered by the 4433 caliber with 25j jewels beating at 36,000 bph, it delivers a 37 hours power reserve. [seikata-wm-4368ef9f43c2]

Also known as: Tuna

Specifications

Movement

Solar

Case Material

Titanium

Case Width

41mm

Case Thickness

11.2mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

170m

Dial Color

Navy

Jewels

25j

Frequency

36,000 bph

Power Reserve

37 hours

Year

1983

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