Seiko Cal. 5645 - 446

The 5645-446 is a sought-after Solar piece from Seiko's golden era. Powered by the 5645 caliber with 35j jewels beating at 21,600 bph, it delivers a 47 hours power reserve. [seikata-wm-2b91a8f0c091]

Also known as: Helmet

Specifications

Movement

Solar

Case Material

Titanium

Case Width

46mm

Case Thickness

9.6mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

60m

Dial Color

Cream

Jewels

35j

Frequency

21,600 bph

Power Reserve

47 hours

Year

1990

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