Seiko Cal. 6377 - 729

Released in 1983, the Cal. 6377 with design code 729 was part of Seiko's domestic market collection. With its 22mm lug width and 11.4mm profile, it sits comfortably on most wrists. [seikata-wm-a9ac50780ea4]

Also known as: Bullhead, Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

42mm

Case Thickness

11.4mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

130m

Dial Color

Navy

Jewels

20j

Frequency

36,000 bph

Power Reserve

43 hours

Year

1983

Related Models

• Seiko 7112-855
• Seiko 6384-625
• Seiko 7194-198
• Seiko 5248-234
• Seiko 5659-846
• Seiko 4520-521
• Seiko 6657-944
• Seiko 6268-108
• Seiko 0740-682
• Seiko 6135-770
• Seiko 0787-496
• Seiko 6672-542