Seiko Cal. 5633 - 387

Seiko 5633-387

The 5633-387 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 5633 caliber with 34j jewels beating at 21,600 bph, it delivers a 63 hours power reserve. [seikata-wm-019b8904af59]

Specifications

Movement
Spring Drive
Case Material
PVD Black
Case Width
36mm
Case Thickness
13.4mm
Lug Width
19mm
Crystal
Hardlex
Bezel
Fixed
Water Resistance
180m
Dial Color
Green
Jewels
34j
Frequency
21,600 bph
Power Reserve
63 hours
Year
1976

Related Models

seikata-wm-019b8904af59