Seiko Cal. 6663 - 361

The Seiko 6663-361 represents an important milestone in Seiko's 1971 lineup. With its 20mm lug width and 15.1mm profile, it sits comfortably on most wrists. [seikata-wm-4eea9b84fafa]

Also known as: Goldfeather

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

42mm

Case Thickness

15.1mm

Lug Width

20mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

180m

Dial Color

Green

Jewels

23j

Frequency

28,800 bph

Power Reserve

37 hours

Year

1971

Related Models

• Seiko 4571-357
• Seiko 3859-768
• Seiko 6194-662
• Seiko 3845-394
• Seiko 7137-523
• Seiko 5238-139
• Seiko 7150-868
• Seiko 6131-106
• Seiko 0741-136
• Seiko 7163-664
• Seiko 4410-529
• Seiko 4451-182