Seiko Cal. 5687 - 500

The Seiko 5687-500 represents an important milestone in Seiko's 1988 lineup. It features a Green dial protected by a Mineral crystal and offers 160m of water resistance. [seikata-wm-bf96f1dd9452]

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

37mm

Case Thickness

9.3mm

Lug Width

20mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

160m

Dial Color

Green

Jewels

22j

Frequency

21,600 bph

Power Reserve

53 hours

Year

1988

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