Seiko Cal. 3851 - 301

The Seiko 3851-301 represents an important milestone in Seiko's 1973 lineup. The Inner Rotating bezel and 36mm case give it a distinctive presence on the wrist. [seikata-wm-ad2fcfe90de0]

Also known as: Tuna, Bellmatic

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

36mm

Case Thickness

9.1mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

150m

Dial Color

Green

Jewels

30j

Frequency

36,000 bph

Power Reserve

59 hours

Year

1973

Related Models

• Seiko 6656-229
• Seiko 0719-583
• Seiko 0719-147
• Seiko 0758-365
• Seiko 3869-128
• Seiko 5265-663
• Seiko 6187-445
• Seiko 6670-200
• Seiko 3844-666
• Seiko 4518-183
• Seiko 5223-403
• Seiko 6134-495