Seiko Cal. 5632 - 637

Seiko 5632-637

The 5632-637 is a sought-after Automatic piece from Seiko's golden era. Powered by the 5632 caliber with 20j jewels beating at 21,600 bph, it delivers a 48 hours power reserve. [seikata-wm-a5538500d3a3]

Specifications

Movement
Automatic
Case Material
PVD Black
Case Width
36mm
Case Thickness
12.6mm
Lug Width
18mm
Crystal
Sapphire
Bezel
Rotating
Water Resistance
130m
Dial Color
Navy
Jewels
20j
Frequency
21,600 bph
Power Reserve
48 hours
Year
1982

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seikata-wm-a5538500d3a3