Seiko Cal. 6618 - 533

The Seiko 6618-533 represents an important milestone in Seiko's 1976 lineup. It features a Navy dial protected by a Acrylic crystal and offers 140m of water resistance. [seikata-wm-1cc8ed025fe5]

Also known as: Bullhead, Sea Horse

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

37mm

Case Thickness

14.1mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

140m

Dial Color

Navy

Jewels

32j

Frequency

21,600 bph

Power Reserve

66 hours

Year

1976

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