Seiko Cal. 6318 - 389

The Seiko 6318-389 represents an important milestone in Seiko's 1972 lineup. The Inner Rotating bezel and 42mm case give it a distinctive presence on the wrist. [seikata-wm-f73a14fe2fc0]

Also known as: Monster, World Timer

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

42mm

Case Thickness

15.4mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

120m

Dial Color

White

Jewels

30j

Frequency

36,000 bph

Power Reserve

52 hours

Year

1972

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