Seiko Cal. 4435 - 631

The Seiko 4435-631 represents an important milestone in Seiko's 1989 lineup. It features a Navy dial protected by a Mineral crystal and offers 70m of water resistance. [seikata-wm-b3b75dd37c6f]

Also known as: UFO

Specifications

Movement

Kinetic

Case Material

Stainless Steel

Case Width

44mm

Case Thickness

12.6mm

Lug Width

22mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

70m

Dial Color

Navy

Jewels

27j

Frequency

28,800 bph

Power Reserve

42 hours

Year

1989

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