Seiko Cal. 6618 - 318

The 6618-318 is a sought-after Automatic piece from Seiko's golden era. Powered by the 6618 caliber with 36j jewels beating at 21,600 bph, it delivers a 60 hours power reserve. [seikata-wm-9dbe0dadfa18]

Also known as: Helmet, Crown

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

39mm

Case Thickness

11.5mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

120m

Dial Color

White

Jewels

36j

Frequency

21,600 bph

Power Reserve

60 hours

Year

1990

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