Seiko Cal. 5643 - 675

The 5643-675 is a sought-after Spring Drive piece from Seiko's golden era. It features a Burgundy dial protected by a Hardlex crystal and offers 170m of water resistance. [seikata-wm-eb652f45d672]

Also known as: Sumo, Sea Horse

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

44mm

Case Thickness

11.6mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

170m

Dial Color

Burgundy

Jewels

26j

Frequency

28,800 bph

Power Reserve

59 hours

Year

1997

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