Seiko Cal. 5642 - 310

The Seiko 5642-310 represents an important milestone in Seiko's 1965 lineup. It features a Blue Sunburst dial protected by a Mineral crystal and offers 70m of water resistance. [seikata-wm-1b7b9df4ca9a]

Also known as: UFO, Flighty

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

34mm

Case Thickness

12.7mm

Lug Width

19mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

70m

Dial Color

Blue Sunburst

Jewels

21j

Frequency

28,800 bph

Power Reserve

65 hours

Year

1965

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