Seiko Cal. 6636 - 183

The Seiko 6636-183 represents an important milestone in Seiko's 1965 lineup. The Fixed bezel and 34mm case give it a distinctive presence on the wrist. [seikata-wm-d41b3bdcc18f]

Also known as: Helmet, Rally

Specifications

Movement

Quartz

Case Material

Stainless Steel

Case Width

34mm

Case Thickness

11.2mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

90m

Dial Color

Green

Jewels

27j

Frequency

36,000 bph

Power Reserve

57 hours

Year

1965

Related Models

• Seiko 5295-904
• Seiko 6613-540
• Seiko 4432-771
• Seiko 4589-430
• Seiko 6188-298
• Seiko 7152-544
• Seiko 5618-347
• Seiko 4576-744
• Seiko 4580-407
• Seiko 4467-451
• Seiko 3885-156
• Seiko 4549-592