Seiko Cal. 3840 - 155

The Seiko 3840-155 represents an important milestone in Seiko's 1971 lineup. The Fixed bezel and 46mm case give it a distinctive presence on the wrist. [seikata-wm-fae02192b426]

Also known as: Emperor

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

46mm

Case Thickness

9.3mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

50m

Dial Color

Green

Jewels

36j

Frequency

21,600 bph

Power Reserve

67 hours

Year

1971

Related Models

• Seiko 4451-785
• Seiko 5232-960
• Seiko 0751-573
• Seiko 4565-849
• Seiko 0716-293
• Seiko 6242-455
• Seiko 0744-347
• Seiko 0739-297
• Seiko 4413-411
• Seiko 3832-246
• Seiko 0724-649
• Seiko 3841-625