Seiko Cal. 6618 - 332

The 6618-332 is a sought-after Automatic piece from Seiko's golden era. Powered by the 6618 caliber with 18j jewels beating at 21,600 bph, it delivers a 70 hours power reserve. [seikata-wm-409985a67f65]

Also known as: Sumo, World Timer

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

46mm

Case Thickness

9.3mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

150m

Dial Color

Blue Sunburst

Jewels

18j

Frequency

21,600 bph

Power Reserve

70 hours

Year

1975

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