Seiko Cal. 5633 - 537

Seiko 5633-537

The 5633-537 is a sought-after Automatic piece from Seiko's golden era. Powered by the 5633 caliber with 18j jewels beating at 28,800 bph, it delivers a 61 hours power reserve. [seikata-wm-43fbaee0573e]

Specifications

Movement
Automatic
Case Material
Titanium
Case Width
39mm
Case Thickness
11.4mm
Lug Width
21mm
Crystal
Mineral
Bezel
Coin-Edge
Water Resistance
40m
Dial Color
Green
Jewels
18j
Frequency
28,800 bph
Power Reserve
61 hours
Year
1970

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