Seiko Cal. 6618 - 307

The Seiko 6618-307 represents an important milestone in Seiko's 1987 lineup. Powered by the 6618 caliber with 17j jewels beating at 36,000 bph, it delivers a 47 hours power reserve. [seikata-wm-055282136711]

Also known as: Sumo

Specifications

Movement

Kinetic

Case Material

Gold-Plated

Case Width

34mm

Case Thickness

11.0mm

Lug Width

22mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

90m

Dial Color

Burgundy

Jewels

17j

Frequency

36,000 bph

Power Reserve

47 hours

Year

1987

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