Seiko Cal. 6618 - 677

The 6618-677 is a sought-after Automatic piece from Seiko's golden era. Powered by the 6618 caliber with 30j jewels beating at 36,000 bph, it delivers a 43 hours power reserve. [seikata-wm-d25f6a950be1]

Also known as: Helmet, Rally

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

38mm

Case Thickness

15.6mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

80m

Dial Color

White

Jewels

30j

Frequency

36,000 bph

Power Reserve

43 hours

Year

1972

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