Seiko Cal. 0722 - 636

Seiko 0722-636

This Spring Drive model from 1969 features a 38mm PVD Black case. Powered by the 0722 caliber with 24j jewels beating at 36,000 bph, it delivers a 56 hours power reserve. [seikata-wm-b2b97ad5b542]

Also known as: Baby Tuna

Specifications

Movement
Spring Drive
Case Material
PVD Black
Case Width
38mm
Case Thickness
10.0mm
Lug Width
19mm
Crystal
Hardlex
Bezel
Bidirectional
Water Resistance
60m
Dial Color
Silver
Jewels
24j
Frequency
36,000 bph
Power Reserve
56 hours
Year
1969

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seikata-wm-b2b97ad5b542