Seiko Cal. 4433 - 777

This Spring Drive model from 1972 features a 43mm Two-Tone case. Powered by the 4433 caliber with 22j jewels beating at 36,000 bph, it delivers a 61 hours power reserve. [seikata-wm-375e57bf5d98]

Also known as: Silverwave

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

43mm

Case Thickness

11.1mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

120m

Dial Color

Champagne

Jewels

22j

Frequency

36,000 bph

Power Reserve

61 hours

Year

1972

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