Seiko Cal. 6318 - 143

This Automatic model from 1970 features a 37mm Two-Tone case. The Coin-Edge bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-47f1b91504c1]

Also known as: UFO, Arnie

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

37mm

Case Thickness

8.5mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

90m

Dial Color

Burgundy

Jewels

23j

Frequency

28,800 bph

Power Reserve

36 hours

Year

1970

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