Seiko Cal. 5637 - 455

Released in 1999, the Cal. 5637 with design code 455 was part of Seiko's domestic market collection. It features a Navy dial protected by a Acrylic crystal and offers 30m of water resistance. [seikata-wm-241c085a2f7d]

Also known as: UFO, Emperor

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

35mm

Case Thickness

12.5mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

30m

Dial Color

Navy

Jewels

20j

Frequency

36,000 bph

Power Reserve

50 hours

Year

1999

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