Seiko Cal. 3841 - 687

Seiko 3841-687

The Seiko 3841-687 represents an important milestone in Seiko's 1969 lineup. With its 20mm lug width and 9.7mm profile, it sits comfortably on most wrists. [seikata-wm-e7eea9e63a65]

Specifications

Movement
Spring Drive
Case Material
PVD Black
Case Width
45mm
Case Thickness
9.7mm
Lug Width
20mm
Crystal
Acrylic
Bezel
Coin-Edge
Water Resistance
190m
Dial Color
Blue Sunburst
Jewels
21j
Frequency
36,000 bph
Power Reserve
39 hours
Year
1969

Related Models

seikata-wm-e7eea9e63a65