Seiko Cal. 5650 - 765

Seiko 5650-765

This Spring Drive model from 1975 features a 46mm PVD Black case. Powered by the 5650 caliber with 24j jewels beating at 36,000 bph, it delivers a 54 hours power reserve. [seikata-wm-4f17f7f63ac9]

Also known as: Sumo, Arnie

Specifications

Movement
Spring Drive
Case Material
PVD Black
Case Width
46mm
Case Thickness
12.4mm
Lug Width
20mm
Crystal
Sapphire
Bezel
Coin-Edge
Water Resistance
70m
Dial Color
Silver
Jewels
24j
Frequency
36,000 bph
Power Reserve
54 hours
Year
1975

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