Seiko Cal. 3890 - 637

Seiko 3890-637

This Automatic model from 1996 features a 34mm PVD Black case. Powered by the 3890 caliber with 34j jewels beating at 28,800 bph, it delivers a 65 hours power reserve. [seikata-wm-d33c35753d27]

Also known as: Turtle

Specifications

Movement
Automatic
Case Material
PVD Black
Case Width
34mm
Case Thickness
8.8mm
Lug Width
18mm
Crystal
Sapphire
Bezel
Coin-Edge
Water Resistance
140m
Dial Color
Blue Sunburst
Jewels
34j
Frequency
28,800 bph
Power Reserve
65 hours
Year
1996

Related Models

seikata-wm-d33c35753d27