Seiko Cal. 6618 - 757

The Seiko 6618-757 represents an important milestone in Seiko's 1975 lineup. Powered by the 6618 caliber with 33j jewels beating at 36,000 bph, it delivers a 67 hours power reserve. [seikata-wm-1a96e5ca66b4]

Also known as: Emperor

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

40mm

Case Thickness

14.2mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

110m

Dial Color

Black

Jewels

33j

Frequency

36,000 bph

Power Reserve

67 hours

Year

1975

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