Seiko Cal. 6318 - 446

This Quartz model from 1973 features a 40mm Two-Tone case. Powered by the 6318 caliber with 28j jewels beating at 21,600 bph, it delivers a 55 hours power reserve. [seikata-wm-4493c59d2c6f]

Also known as: Samurai, Helmet

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

40mm

Case Thickness

14.1mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

90m

Dial Color

Black

Jewels

28j

Frequency

21,600 bph

Power Reserve

55 hours

Year

1973

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