Seiko Cal. 6665 - 618

The Seiko 6665-618 represents an important milestone in Seiko's 1981 lineup. It features a Black dial protected by a Mineral crystal and offers 160m of water resistance. [seikata-wm-81e966edb6c5]

Also known as: Sea Horse, Arnie

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

36mm

Case Thickness

10.3mm

Lug Width

18mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

160m

Dial Color

Black

Jewels

25j

Frequency

36,000 bph

Power Reserve

44 hours

Year

1981

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