Seiko Cal. 3815 - 361

The Seiko 3815-361 represents an important milestone in Seiko's 1972 lineup. The Inner Rotating bezel and 44mm case give it a distinctive presence on the wrist. [seikata-wm-ee1fcf7619d8]

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

44mm

Case Thickness

9.8mm

Lug Width

19mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

170m

Dial Color

Black

Jewels

23j

Frequency

21,600 bph

Power Reserve

64 hours

Year

1972

Related Models

• Seiko 4499-949
• Seiko 4470-788
• Seiko 6312-194
• Seiko 6350-524
• Seiko 6130-731
• Seiko 4479-392
• Seiko 5613-318
• Seiko 7118-502
• Seiko 0710-275
• Seiko 7033-910
• Seiko 0789-815
• Seiko 5251-630