Seiko Cal. 5641 - 680

This Hand-Winding model from 1965 features a 43mm Titanium case. Powered by the 5641 caliber with 34j jewels beating at 36,000 bph, it delivers a 44 hours power reserve. [seikata-wm-980734418806]

Also known as: Rally, Silverwave

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

43mm

Case Thickness

8.5mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

190m

Dial Color

Champagne

Jewels

34j

Frequency

36,000 bph

Power Reserve

44 hours

Year

1965

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