Seiko Cal. 5617 - 346

Seiko 5617-346

This Spring Drive model from 1977 features a 44mm PVD Black case. Powered by the 5617 caliber with 26j jewels beating at 28,800 bph, it delivers a 48 hours power reserve. [seikata-wm-cf13c7128d88]

Also known as: Sumo, Baby Tuna

Specifications

Movement
Spring Drive
Case Material
PVD Black
Case Width
44mm
Case Thickness
15.4mm
Lug Width
19mm
Crystal
Mineral
Bezel
Fixed
Water Resistance
110m
Dial Color
Green
Jewels
26j
Frequency
28,800 bph
Power Reserve
48 hours
Year
1977

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