Seiko Cal. 3887 - 563

The Seiko 3887-563 represents an important milestone in Seiko's 1972 lineup. With its 21mm lug width and 15.6mm profile, it sits comfortably on most wrists. [seikata-wm-1990c866100a]

Also known as: Sumo, Golden Tuna

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

40mm

Case Thickness

15.6mm

Lug Width

21mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

140m

Dial Color

Cream

Jewels

29j

Frequency

28,800 bph

Power Reserve

61 hours

Year

1972

Related Models

• Seiko 0742-312
• Seiko 6388-927
• Seiko 4430-371
• Seiko 4597-103
• Seiko 4574-870
• Seiko 5615-265
• Seiko 5614-397
• Seiko 4486-450
• Seiko 6628-332
• Seiko 6132-478
• Seiko 6257-439
• Seiko 5222-921