Seiko Cal. 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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