Seiko Cal. 5645 - 710

The 5645-710 is a sought-after Quartz piece from Seiko's golden era. Powered by the 5645 caliber with 34j jewels beating at 28,800 bph, it delivers a 41 hours power reserve. [seikata-wm-dbba311ec631]

Also known as: Monster, Navigator

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

40mm

Case Thickness

9.2mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

50m

Dial Color

Blue Sunburst

Jewels

34j

Frequency

28,800 bph

Power Reserve

41 hours

Year

1979

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