Seiko Cal. 4435 - 597

The Seiko 4435-597 represents an important milestone in Seiko's 1972 lineup. Powered by the 4435 caliber with 18j jewels beating at 28,800 bph, it delivers a 66 hours power reserve. [seikata-wm-e3fa8a51be7b]

Also known as: Tuna, Flighty

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

37mm

Case Thickness

11.9mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

Champagne

Jewels

18j

Frequency

28,800 bph

Power Reserve

66 hours

Year

1972

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