Seiko Cal. 5645 - 577

The 5645-577 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 5645 caliber with 24j jewels beating at 36,000 bph, it delivers a 64 hours power reserve. [seikata-wm-f178458017c0]

Also known as: Bellmatic

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

37mm

Case Thickness

13.2mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

100m

Dial Color

Champagne

Jewels

24j

Frequency

36,000 bph

Power Reserve

64 hours

Year

1985

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