Seiko Cal. 5646 - 261

Seiko 5646-261

The Seiko 5646-261 represents an important milestone in Seiko's 1980 lineup. Powered by the 5646 caliber with 33j jewels beating at 36,000 bph, it delivers a 37 hours power reserve. [seikata-wm-86fd974d1724]

Also known as: Rally, Silverwave

Specifications

Movement
Solar
Case Material
Titanium
Case Width
37mm
Case Thickness
13.5mm
Lug Width
22mm
Crystal
Hardlex
Bezel
Rotating
Water Resistance
170m
Dial Color
Green
Jewels
33j
Frequency
36,000 bph
Power Reserve
37 hours
Year
1980

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