Seiko Cal. 6654 - 557

The Seiko 6654-557 represents an important milestone in Seiko's 1986 lineup. It features a Black dial protected by a Sapphire crystal and offers 190m of water resistance. [seikata-wm-c199e363d81f]

Also known as: Bullhead, Sportsmatic

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

11.8mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

190m

Dial Color

Black

Jewels

26j

Frequency

21,600 bph

Power Reserve

56 hours

Year

1986

Related Models

• Seiko 3825-169
• Seiko 5237-525
• Seiko 3891-288
• Seiko 6157-250
• Seiko 6339-750
• Seiko 4524-343
• Seiko 6182-470
• Seiko 3812-985
• Seiko 0784-385
• Seiko 0790-481
• Seiko 6142-196
• Seiko 7173-358