Seiko Cal. 5617 - 630

The 5617-630 is a sought-after Automatic piece from Seiko's golden era. Powered by the 5617 caliber with 30j jewels beating at 28,800 bph, it delivers a 52 hours power reserve. [seikata-wm-2bc205d78365]

Also known as: Baby Tuna, Arnie

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

38mm

Case Thickness

14.9mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

Cream

Jewels

30j

Frequency

28,800 bph

Power Reserve

52 hours

Year

1974

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