Seiko Cal. 6637 - 817

This Kinetic model from 1987 features a 37mm Titanium case. It features a Navy dial protected by a Sapphire crystal and offers 170m of water resistance. [seikata-wm-34daab492ab7]

Also known as: Silverwave, Crown

Specifications

Movement

Kinetic

Case Material

Titanium

Case Width

37mm

Case Thickness

13.3mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

170m

Dial Color

Navy

Jewels

29j

Frequency

21,600 bph

Power Reserve

36 hours

Year

1987

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