Seiko Cal. 6618 - 389

This Spring Drive model from 1990 features a 41mm Stainless Steel case. Powered by the 6618 caliber with 17j jewels beating at 36,000 bph, it delivers a 62 hours power reserve. [seikata-wm-7317bea53000]

Also known as: Rally, Crown

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

41mm

Case Thickness

12.4mm

Lug Width

19mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

160m

Dial Color

Navy

Jewels

17j

Frequency

36,000 bph

Power Reserve

62 hours

Year

1990

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