Seiko Cal. 3839 - 637

Seiko 3839-637

The Seiko 3839-637 represents an important milestone in Seiko's 1978 lineup. The Rotating bezel and 43mm case give it a distinctive presence on the wrist. [seikata-wm-a517056b05c6]

Also known as: Baby Tuna, Emperor

Specifications

Movement
Automatic
Case Material
PVD Black
Case Width
43mm
Case Thickness
15.4mm
Lug Width
22mm
Crystal
Sapphire
Bezel
Rotating
Water Resistance
150m
Dial Color
Green
Jewels
18j
Frequency
28,800 bph
Power Reserve
37 hours
Year
1978

Related Models

seikata-wm-a517056b05c6