Seiko Cal. 5657 - 506

The Seiko 5657-506 represents an important milestone in Seiko's 1985 lineup. With its 19mm lug width and 15.0mm profile, it sits comfortably on most wrists. [seikata-wm-fe4d2419136a]

Also known as: Samurai, UFO

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

46mm

Case Thickness

15.0mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

70m

Dial Color

White

Jewels

25j

Frequency

36,000 bph

Power Reserve

64 hours

Year

1985

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