Seiko Cal. 6381 - 174

The Seiko 6381-174 represents an important milestone in Seiko's 1971 lineup. With its 20mm lug width and 14.9mm profile, it sits comfortably on most wrists. [seikata-wm-752a1b4ba2a5]

Also known as: Silverwave, Bellmatic

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

43mm

Case Thickness

14.9mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

170m

Dial Color

Blue Sunburst

Jewels

21j

Frequency

28,800 bph

Power Reserve

36 hours

Year

1971

Related Models

• Seiko 6189-447
• Seiko 7085-695
• Seiko 6136-105
• Seiko 4421-629
• Seiko 3865-117
• Seiko 0711-551
• Seiko 6335-492
• Seiko 6256-538
• Seiko 6199-702
• Seiko 6245-351
• Seiko 5261-440
• Seiko 6228-826