Seiko Cal. 5643 - 109

The Seiko 5643-109 represents an important milestone in Seiko's 1978 lineup. It features a Burgundy dial protected by a Acrylic crystal and offers 70m of water resistance. [seikata-wm-3b7030261413]

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

37mm

Case Thickness

8.6mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

70m

Dial Color

Burgundy

Jewels

35j

Frequency

28,800 bph

Power Reserve

69 hours

Year

1978

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