Seiko Cal. 3840 - 185

The Seiko 3840-185 represents an important milestone in Seiko's 1969 lineup. With its 21mm lug width and 11.0mm profile, it sits comfortably on most wrists. [seikata-wm-86bd3d39684b]

Also known as: Tuna, Pogue

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

35mm

Case Thickness

11.0mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

100m

Dial Color

Burgundy

Jewels

25j

Frequency

21,600 bph

Power Reserve

69 hours

Year

1969

Related Models

• Seiko 6654-276
• Seiko 0787-902
• Seiko 4584-693
• Seiko 6628-593
• Seiko 6392-756
• Seiko 0781-226
• Seiko 6190-194
• Seiko 7121-412
• Seiko 7019-824
• Seiko 4559-693
• Seiko 3820-950
• Seiko 6285-174