Seiko Cal. 3855 - 313

Released in 1970, the Cal. 3855 with design code 313 was part of Seiko's domestic market collection. The Bidirectional bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-b5d2dfa8da94]

Also known as: Helmet, Bellmatic

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

39mm

Case Thickness

12.2mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

130m

Dial Color

White

Jewels

31j

Frequency

28,800 bph

Power Reserve

60 hours

Year

1970

Related Models

• Seiko 4461-376
• Seiko 3858-232
• Seiko 5247-241
• Seiko 4457-622
• Seiko 5295-889
• Seiko 3845-328
• Seiko 6322-820
• Seiko 4518-534
• Seiko 6133-866
• Seiko 7073-589
• Seiko 3852-349
• Seiko 6236-582