Seiko Cal. 5687 - 740

The Seiko 5687-740 represents an important milestone in Seiko's 1984 lineup. It features a Champagne dial protected by a Mineral crystal and offers 150m of water resistance. [seikata-wm-24dd2f2da461]

Also known as: Monster

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

37mm

Case Thickness

8.5mm

Lug Width

22mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

150m

Dial Color

Champagne

Jewels

27j

Frequency

28,800 bph

Power Reserve

71 hours

Year

1984

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