Seiko Cal. 5637 - 858

Seiko 5637-858

The Seiko 5637-858 represents an important milestone in Seiko's 1999 lineup. Powered by the 5637 caliber with 36j jewels beating at 21,600 bph, it delivers a 47 hours power reserve. [seikata-wm-bdfeeb6531ee]

Also known as: Sea Horse

Specifications

Movement
Solar
Case Material
Titanium
Case Width
46mm
Case Thickness
12.6mm
Lug Width
22mm
Crystal
Mineral
Bezel
Fixed
Water Resistance
140m
Dial Color
Silver
Jewels
36j
Frequency
21,600 bph
Power Reserve
47 hours
Year
1999

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