Seiko Cal. 5277 - 378

This Automatic model from 1969 features a 40mm Two-Tone case. With its 18mm lug width and 15.3mm profile, it sits comfortably on most wrists. [seikata-wm-ded1af4ed4ea]

Also known as: Bullhead

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

40mm

Case Thickness

15.3mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

190m

Dial Color

Blue Sunburst

Jewels

22j

Frequency

28,800 bph

Power Reserve

68 hours

Year

1969

Related Models

• Seiko 0760-685
• Seiko 6270-474
• Seiko 6188-371
• Seiko 4550-169
• Seiko 7174-253
• Seiko 6650-740
• Seiko 5277-508
• Seiko 7180-155
• Seiko 6640-237
• Seiko 4542-442
• Seiko 7132-342
• Seiko 5248-492