Seiko Cal. 3813 - 687

This Kinetic model from 1974 features a 37mm Two-Tone case. With its 18mm lug width and 11.1mm profile, it sits comfortably on most wrists. [seikata-wm-5397d27b2dc9]

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

37mm

Case Thickness

11.1mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

130m

Dial Color

Burgundy

Jewels

35j

Frequency

36,000 bph

Power Reserve

40 hours

Year

1974

Related Models

• Seiko 4588-404
• Seiko 4510-903
• Seiko 6246-841
• Seiko 6210-503
• Seiko 6349-647
• Seiko 7140-440
• Seiko 6325-954
• Seiko 5637-493
• Seiko 5249-361
• Seiko 7057-171
• Seiko 3839-383
• Seiko 5220-155