Seiko Cal. 5687 - 830

Released in 1980, the Cal. 5687 with design code 830 was part of Seiko's domestic market collection. It features a Silver dial protected by a Hardlex crystal and offers 150m of water resistance. [seikata-wm-420102bd64cc]

Also known as: World Timer

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

42mm

Case Thickness

11.4mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

150m

Dial Color

Silver

Jewels

17j

Frequency

36,000 bph

Power Reserve

44 hours

Year

1980

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