Seiko Cal. 6377 - 557

Released in 1987, the Cal. 6377 with design code 557 was part of Seiko's domestic market collection. The Coin-Edge bezel and 38mm case give it a distinctive presence on the wrist. [seikata-wm-427a4ff8acd2]

Also known as: Flighty

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

38mm

Case Thickness

13.8mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

150m

Dial Color

Cream

Jewels

33j

Frequency

36,000 bph

Power Reserve

46 hours

Year

1987

Related Models

• Seiko 6262-343
• Seiko 0745-337
• Seiko 0736-365
• Seiko 6647-177
• Seiko 3849-303
• Seiko 3878-628
• Seiko 4563-654
• Seiko 3891-173
• Seiko 3891-534
• Seiko 5236-899
• Seiko 5217-311
• Seiko 6168-460