Seiko Cal. 5241 - 640

Seiko 5241-640

The Seiko 5241-640 represents an important milestone in Seiko's 1996 lineup. Powered by the 5241 caliber with 31j jewels beating at 28,800 bph, it delivers a 59 hours power reserve. [seikata-wm-bcda9a081989]

Also known as: Sumo

Specifications

Movement
Solar
Case Material
Two-Tone
Case Width
35mm
Case Thickness
8.1mm
Lug Width
20mm
Crystal
Sapphire
Bezel
Rotating
Water Resistance
130m
Dial Color
Silver
Jewels
31j
Frequency
28,800 bph
Power Reserve
59 hours
Year
1996

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seikata-wm-bcda9a081989