Seiko Cal. 5671 - 447

Released in 1981, the Cal. 5671 with design code 447 was part of Seiko's domestic market collection. With its 18mm lug width and 12.8mm profile, it sits comfortably on most wrists. [seikata-wm-bb8763897dfa]

Also known as: Sumo, Arnie

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

46mm

Case Thickness

12.8mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

170m

Dial Color

Burgundy

Jewels

26j

Frequency

28,800 bph

Power Reserve

54 hours

Year

1981

Related Models

• Seiko 6656-600
• Seiko 6634-930
• Seiko 4423-938
• Seiko 6134-847
• Seiko 6671-267
• Seiko 6618-942
• Seiko 5640-650
• Seiko 7077-239
• Seiko 5256-885
• Seiko 6641-520
• Seiko 7115-245
• Seiko 6677-801