Seiko Cal. 6637 - 550

The Seiko 6637-550 represents an important milestone in Seiko's 1993 lineup. It features a Black dial protected by a Sapphire crystal and offers 160m of water resistance. [seikata-wm-d3f3ee209924]

Also known as: Panda, Sea Horse

Specifications

Movement

Kinetic

Case Material

Stainless Steel

Case Width

38mm

Case Thickness

9.9mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

160m

Dial Color

Black

Jewels

19j

Frequency

28,800 bph

Power Reserve

51 hours

Year

1993

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