Seiko Cal. 5646 - 240

Seiko 5646-240

The 5646-240 is a sought-after Solar piece from Seiko's golden era. Powered by the 5646 caliber with 29j jewels beating at 36,000 bph, it delivers a 47 hours power reserve. [seikata-wm-4f0f008627d3]

Also known as: Samurai, Arnie

Specifications

Movement
Solar
Case Material
Two-Tone
Case Width
36mm
Case Thickness
14.2mm
Lug Width
18mm
Crystal
Sapphire
Bezel
Rotating
Water Resistance
150m
Dial Color
Burgundy
Jewels
29j
Frequency
36,000 bph
Power Reserve
47 hours
Year
1991

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