Seiko Cal. 6618 - 153

This Spring Drive model from 1965 features a 35mm Hardlex-Coated Steel case. Powered by the 6618 caliber with 29j jewels beating at 21,600 bph, it delivers a 53 hours power reserve. [seikata-wm-0c661bd8e299]

Also known as: Silverwave

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

35mm

Case Thickness

10.3mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

90m

Dial Color

Black

Jewels

29j

Frequency

21,600 bph

Power Reserve

53 hours

Year

1965

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