Seiko Cal. 6387 - 277

The Seiko 6387-277 represents an important milestone in Seiko's 1971 lineup. With its 19mm lug width and 11.5mm profile, it sits comfortably on most wrists. [seikata-wm-c747df21ddcc]

Also known as: Baby Tuna

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

40mm

Case Thickness

11.5mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

40m

Dial Color

Champagne

Jewels

18j

Frequency

36,000 bph

Power Reserve

50 hours

Year

1971

Related Models

• Seiko 3889-538
• Seiko 4584-691
• Seiko 0750-919
• Seiko 4586-961
• Seiko 3892-576
• Seiko 3885-927
• Seiko 5269-339
• Seiko 6225-756
• Seiko 4559-976
• Seiko 6159-594
• Seiko 6145-646
• Seiko 3810-959