Seiko Cal. 5617 - 274

The 5617-274 is a sought-after Solar piece from Seiko's golden era. Powered by the 5617 caliber with 24j jewels beating at 21,600 bph, it delivers a 57 hours power reserve. [seikata-wm-e22a94edc124]

Also known as: Tuna

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

9.2mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

150m

Dial Color

Blue Sunburst

Jewels

24j

Frequency

21,600 bph

Power Reserve

57 hours

Year

1968

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