Seiko Cal. 6637 - 118

The Seiko 6637-118 represents an important milestone in Seiko's 1989 lineup. It features a Black dial protected by a Acrylic crystal and offers 120m of water resistance. [seikata-wm-3e63a9ab4f95]

Also known as: Arnie

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

41mm

Case Thickness

13.4mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

120m

Dial Color

Black

Jewels

17j

Frequency

21,600 bph

Power Reserve

47 hours

Year

1989

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