Seiko Cal. 5619 - 931

Seiko 5619-931

The 5619-931 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 5619 caliber with 17j jewels beating at 36,000 bph, it delivers a 40 hours power reserve. [seikata-wm-4706d49678b7]

Also known as: Helmet

Specifications

Movement
Hand-Winding
Case Material
Titanium
Case Width
45mm
Case Thickness
12.2mm
Lug Width
18mm
Crystal
Acrylic
Bezel
Bidirectional
Water Resistance
120m
Dial Color
Navy
Jewels
17j
Frequency
36,000 bph
Power Reserve
40 hours
Year
1979

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seikata-wm-4706d49678b7