Seiko Cal. 6618 - 345

This Automatic model from 1968 features a 43mm PVD Black case. The Bidirectional bezel and 43mm case give it a distinctive presence on the wrist. [seikata-wm-607ffeb10bd6]

Also known as: World Timer, Baby Tuna

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

43mm

Case Thickness

9.7mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

170m

Dial Color

Champagne

Jewels

33j

Frequency

28,800 bph

Power Reserve

51 hours

Year

1968

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