Seiko Cal. 6618 - 325

The Seiko 6618-325 represents an important milestone in Seiko's 1981 lineup. Powered by the 6618 caliber with 23j jewels beating at 21,600 bph, it delivers a 41 hours power reserve. [seikata-wm-500304969cae]

Also known as: Helmet

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

13.9mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

160m

Dial Color

Silver

Jewels

23j

Frequency

21,600 bph

Power Reserve

41 hours

Year

1981

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