Seiko Cal. 6371 - 716

The 6371-716 is a sought-after Spring Drive piece from Seiko's golden era. With its 21mm lug width and 14.8mm profile, it sits comfortably on most wrists. [seikata-wm-0e8b7b86c7cd]

Also known as: Sumo, Bellmatic

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

37mm

Case Thickness

14.8mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

120m

Dial Color

Cream

Jewels

33j

Frequency

28,800 bph

Power Reserve

36 hours

Year

1991

Related Models

• Seiko 6170-729
• Seiko 7159-956
• Seiko 7148-750
• Seiko 4450-532
• Seiko 3851-616
• Seiko 3842-373
• Seiko 3884-429
• Seiko 6130-112
• Seiko 6111-248
• Seiko 6678-143
• Seiko 5649-545
• Seiko 4480-696