Seiko Cal. 6618 - 230

The Seiko 6618-230 represents an important milestone in Seiko's 1972 lineup. It features a Burgundy dial protected by a Acrylic crystal and offers 60m of water resistance. [seikata-wm-7a5b03d9968c]

Also known as: Sumo

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

39mm

Case Thickness

13.8mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

60m

Dial Color

Burgundy

Jewels

27j

Frequency

28,800 bph

Power Reserve

72 hours

Year

1972

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