Seiko Cal. 6618 - 155

This Spring Drive model from 1991 features a 34mm Hardlex-Coated Steel case. Powered by the 6618 caliber with 17j jewels beating at 36,000 bph, it delivers a 54 hours power reserve. [seikata-wm-19b0463f73af]

Also known as: Helmet, Flighty

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

34mm

Case Thickness

10.7mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

150m

Dial Color

Champagne

Jewels

17j

Frequency

36,000 bph

Power Reserve

54 hours

Year

1991

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