Seiko Cal. 6221 - 991

The 6221-991 is a sought-after Spring Drive piece from Seiko's golden era. It features a Champagne dial protected by a Sapphire crystal and offers 120m of water resistance. [seikata-wm-37c9114d880d]

Also known as: Bullhead, Sportsmatic

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

43mm

Case Thickness

15.0mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

120m

Dial Color

Champagne

Jewels

33j

Frequency

36,000 bph

Power Reserve

39 hours

Year

1967

Related Models

• Seiko 0772-905
• Seiko 7151-727
• Seiko 4441-733
• Seiko 6628-984
• Seiko 4564-893
• Seiko 6622-130
• Seiko 3883-265
• Seiko 5664-436
• Seiko 4599-243
• Seiko 6643-755
• Seiko 5661-548
• Seiko 6256-122