Seiko Cal. 6618 - 710

The Seiko 6618-710 represents an important milestone in Seiko's 1972 lineup. The Rotating bezel and 36mm case give it a distinctive presence on the wrist. [seikata-wm-dbf0acf9497c]

Also known as: Golden Tuna

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

36mm

Case Thickness

14.5mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

140m

Dial Color

Black

Jewels

28j

Frequency

28,800 bph

Power Reserve

56 hours

Year

1972

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