Seiko Cal. 4543 - 603

This Quartz model from 1968 features a 43mm Two-Tone case. The Bidirectional bezel and 43mm case give it a distinctive presence on the wrist. [seikata-wm-a957dc311f49]

Also known as: Helmet, UFO

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

43mm

Case Thickness

11.0mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

50m

Dial Color

Blue Sunburst

Jewels

32j

Frequency

36,000 bph

Power Reserve

46 hours

Year

1968

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