Seiko Cal. 5643 - 310

The Seiko 5643-310 represents an important milestone in Seiko's 1985 lineup. It features a Silver dial protected by a Acrylic crystal and offers 180m of water resistance. [seikata-wm-efa772749f4a]

Also known as: Bullhead

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

42mm

Case Thickness

15.2mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

180m

Dial Color

Silver

Jewels

17j

Frequency

28,800 bph

Power Reserve

65 hours

Year

1985

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