Seiko Cal. 6637 - 835

The Seiko 6637-835 represents an important milestone in Seiko's 1994 lineup. The Inner Rotating bezel and 41mm case give it a distinctive presence on the wrist. [seikata-wm-a91268da1fe8]

Also known as: Crown

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

41mm

Case Thickness

8.1mm

Lug Width

18mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

180m

Dial Color

Champagne

Jewels

27j

Frequency

28,800 bph

Power Reserve

57 hours

Year

1994

Related Models

• Seiko 6120-877
• Seiko 6182-768
• Seiko 4586-300
• Seiko 7165-543
• Seiko 6295-487
• Seiko 5294-531
• Seiko 0786-423
• Seiko 5642-814
• Seiko 3818-546
• Seiko 4577-388
• Seiko 4558-280
• Seiko 6652-678