Seiko Cal. 6636 - 236

This Spring Drive model from 1999 features a 42mm Two-Tone case. The Rotating bezel and 42mm case give it a distinctive presence on the wrist. [seikata-wm-4060749eb3d5]

Also known as: Crown, Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

42mm

Case Thickness

11.5mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

160m

Dial Color

Navy

Jewels

19j

Frequency

28,800 bph

Power Reserve

39 hours

Year

1999

Related Models

• Seiko 0711-896
• Seiko 4416-922
• Seiko 5240-134
• Seiko 6150-110
• Seiko 3894-617
• Seiko 6139-305
• Seiko 6332-825
• Seiko 0769-379
• Seiko 5210-806
• Seiko 4520-582
• Seiko 6122-865
• Seiko 4515-175