Seiko Cal. 6635 - 401

The 6635-401 is a sought-after Kinetic piece from Seiko's golden era. It features a Navy dial protected by a Acrylic crystal and offers 170m of water resistance. [seikata-wm-9b4c0f293ac0]

Also known as: Navigator

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

41mm

Case Thickness

11.3mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

170m

Dial Color

Navy

Jewels

33j

Frequency

21,600 bph

Power Reserve

40 hours

Year

1988

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