Seiko Cal. 6657 - 805

The Seiko 6657-805 represents an important milestone in Seiko's 1984 lineup. The Fixed bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-28eb80eb7a4b]

Also known as: UFO

Specifications

Movement

Kinetic

Case Material

Stainless Steel

Case Width

37mm

Case Thickness

10.8mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

100m

Dial Color

White

Jewels

25j

Frequency

28,800 bph

Power Reserve

70 hours

Year

1984

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