Seiko Cal. 5633 - 839

Seiko 5633-839

The 5633-839 is a sought-after Automatic piece from Seiko's golden era. Powered by the 5633 caliber with 27j jewels beating at 21,600 bph, it delivers a 45 hours power reserve. [seikata-wm-1f7367ef34fd]

Also known as: Helmet, Arnie

Specifications

Movement
Automatic
Case Material
Titanium
Case Width
46mm
Case Thickness
12.7mm
Lug Width
19mm
Crystal
Hardlex
Bezel
Coin-Edge
Water Resistance
100m
Dial Color
Burgundy
Jewels
27j
Frequency
21,600 bph
Power Reserve
45 hours
Year
1989

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