Seiko Cal. 5646 - 261

The Seiko 5646-261 represents an important milestone in Seiko's 1980 lineup. Powered by the 5646 caliber with 33j jewels beating at 36,000 bph, it delivers a 37 hours power reserve. [seikata-wm-86fd974d1724]

Also known as: Rally, Silverwave

Specifications

Movement

Solar

Case Material

Titanium

Case Width

37mm

Case Thickness

13.5mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

170m

Dial Color

Green

Jewels

33j

Frequency

36,000 bph

Power Reserve

37 hours

Year

1980

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