Seiko Cal. 5633 - 868

Seiko 5633-868

The 5633-868 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 5633 caliber with 29j jewels beating at 21,600 bph, it delivers a 54 hours power reserve. [seikata-wm-939ea88746c4]

Also known as: Bullhead, Baby Tuna

Specifications

Movement
Spring Drive
Case Material
Two-Tone
Case Width
42mm
Case Thickness
10.6mm
Lug Width
18mm
Crystal
Sapphire
Bezel
Bidirectional
Water Resistance
120m
Dial Color
Champagne
Jewels
29j
Frequency
21,600 bph
Power Reserve
54 hours
Year
1981

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seikata-wm-939ea88746c4