Seiko Cal. 5659 - 287

The Seiko 5659-287 represents an important milestone in Seiko's 1987 lineup. It features a Black dial protected by a Sapphire crystal and offers 170m of water resistance. [seikata-wm-cc516ca32bbe]

Also known as: Helmet, Bellmatic

Specifications

Movement

Kinetic

Case Material

Gold-Plated

Case Width

41mm

Case Thickness

10.5mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

170m

Dial Color

Black

Jewels

26j

Frequency

28,800 bph

Power Reserve

49 hours

Year

1987

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