Seiko Cal. 5617 - 864

Seiko 5617-864

The Seiko 5617-864 represents an important milestone in Seiko's 1985 lineup. Powered by the 5617 caliber with 18j jewels beating at 21,600 bph, it delivers a 61 hours power reserve. [seikata-wm-f934fc136c55]

Also known as: Monster, Helmet

Specifications

Movement
Hand-Winding
Case Material
Gold-Plated
Case Width
43mm
Case Thickness
13.7mm
Lug Width
20mm
Crystal
Sapphire
Bezel
Fixed
Water Resistance
80m
Dial Color
Silver
Jewels
18j
Frequency
21,600 bph
Power Reserve
61 hours
Year
1985

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