Seiko Cal. 5646 - 437

The 5646-437 is a sought-after Quartz piece from Seiko's golden era. Powered by the 5646 caliber with 18j jewels beating at 36,000 bph, it delivers a 61 hours power reserve. [seikata-wm-1a7a878d1e03]

Also known as: Shogun

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

43mm

Case Thickness

11.5mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

80m

Dial Color

White

Jewels

18j

Frequency

36,000 bph

Power Reserve

61 hours

Year

1982

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