Seiko Cal. 4490 - 309

The Seiko 4490-309 represents an important milestone in Seiko's 1970 lineup. It features a Navy dial protected by a Mineral crystal and offers 110m of water resistance. [seikata-wm-e59a6d286ed7]

Also known as: UFO

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

38mm

Case Thickness

14.7mm

Lug Width

20mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

110m

Dial Color

Navy

Jewels

33j

Frequency

28,800 bph

Power Reserve

53 hours

Year

1970

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