Seiko Cal. 6618 - 852

The 6618-852 is a sought-after Spring Drive piece from Seiko's golden era. The Inner Rotating bezel and 44mm case give it a distinctive presence on the wrist. [seikata-wm-3b8fa218db60]

Also known as: Golden Tuna

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

44mm

Case Thickness

12.2mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

70m

Dial Color

Black

Jewels

23j

Frequency

21,600 bph

Power Reserve

36 hours

Year

1977

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