Seiko Cal. 5643 - 538

This Spring Drive model from 1997 features a 36mm Stainless Steel case. It features a Navy dial protected by a Acrylic crystal and offers 70m of water resistance. [seikata-wm-06856de0fa87]

Also known as: UFO, Flighty

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

36mm

Case Thickness

14.9mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

70m

Dial Color

Navy

Jewels

17j

Frequency

36,000 bph

Power Reserve

44 hours

Year

1997

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