Seiko Cal. 6634 - 409

Seiko 6634-409

This Hand-Winding model from 1974 features a 40mm Two-Tone case. Powered by the 6634 caliber with 26j jewels beating at 28,800 bph, it delivers a 57 hours power reserve. [seikata-wm-68a87f039209]

Specifications

Movement
Hand-Winding
Case Material
Two-Tone
Case Width
40mm
Case Thickness
9.5mm
Lug Width
20mm
Crystal
Acrylic
Bezel
Coin-Edge
Water Resistance
180m
Dial Color
Burgundy
Jewels
26j
Frequency
28,800 bph
Power Reserve
57 hours
Year
1974

Related Models

seikata-wm-68a87f039209