Seiko Cal. 5646 - 145

The 5646-145 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 5646 caliber with 27j jewels beating at 21,600 bph, it delivers a 55 hours power reserve. [seikata-wm-e472c59b16aa]

Also known as: Rally

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

46mm

Case Thickness

12.7mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

120m

Dial Color

White

Jewels

27j

Frequency

21,600 bph

Power Reserve

55 hours

Year

1983

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