Seiko Cal. 6637 - 848

The Seiko 6637-848 represents an important milestone in Seiko's 1981 lineup. It features a Black dial protected by a Sapphire crystal and offers 160m of water resistance. [seikata-wm-f387c20f6f29]

Also known as: Pogue

Specifications

Movement

Kinetic

Case Material

Titanium

Case Width

43mm

Case Thickness

9.6mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

160m

Dial Color

Black

Jewels

33j

Frequency

21,600 bph

Power Reserve

59 hours

Year

1981

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