Seiko Cal. 6221 - 557

The Seiko 6221-557 represents an important milestone in Seiko's 1980 lineup. It features a Black dial protected by a Mineral crystal and offers 110m of water resistance. [seikata-wm-bef77cc9fa35]

Also known as: Tuna, Bullhead

Specifications

Movement

Kinetic

Case Material

Stainless Steel

Case Width

45mm

Case Thickness

11.6mm

Lug Width

20mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

110m

Dial Color

Black

Jewels

23j

Frequency

21,600 bph

Power Reserve

72 hours

Year

1980

Related Models

• Seiko 7137-514
• Seiko 0779-754
• Seiko 7085-974
• Seiko 5274-940
• Seiko 6171-226
• Seiko 5246-154
• Seiko 6373-228
• Seiko 6237-911
• Seiko 5259-458
• Seiko 6332-330
• Seiko 5659-326
• Seiko 5265-383