Seiko Cal. 5687 - 623

The Seiko 5687-623 represents an important milestone in Seiko's 1979 lineup. It features a Burgundy dial protected by a Mineral crystal and offers 100m of water resistance. [seikata-wm-255d4de25b76]

Also known as: Arnie

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

43mm

Case Thickness

8.3mm

Lug Width

22mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

100m

Dial Color

Burgundy

Jewels

25j

Frequency

21,600 bph

Power Reserve

57 hours

Year

1979

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