Seiko Cal. 4435 - 645

Released in 1973, the Cal. 4435 with design code 645 was part of Seiko's domestic market collection. It features a Navy dial protected by a Sapphire crystal and offers 130m of water resistance. [seikata-wm-07f1e0de3ca7]

Also known as: Sportsmatic, Sea Horse

Specifications

Movement

Kinetic

Case Material

Gold-Plated

Case Width

44mm

Case Thickness

13.8mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

130m

Dial Color

Navy

Jewels

22j

Frequency

36,000 bph

Power Reserve

65 hours

Year

1973

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