Seiko Cal. 5633 - 878

Seiko 5633-878

The Seiko 5633-878 represents an important milestone in Seiko's 1975 lineup. Powered by the 5633 caliber with 36j jewels beating at 36,000 bph, it delivers a 49 hours power reserve. [seikata-wm-0e492630d2a1]

Also known as: Tuna, Panda

Specifications

Movement
Automatic
Case Material
Two-Tone
Case Width
34mm
Case Thickness
12.5mm
Lug Width
21mm
Crystal
Hardlex
Bezel
Fixed
Water Resistance
30m
Dial Color
Cream
Jewels
36j
Frequency
36,000 bph
Power Reserve
49 hours
Year
1975

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