Seiko Cal. 5610 - 630

The Seiko 5610-630 represents an important milestone in Seiko's 1981 lineup. Powered by the 5610 caliber with 30j jewels beating at 28,800 bph, it delivers a 50 hours power reserve. [seikata-wm-1283d54ce17b]

Also known as: Shogun, Golden Tuna

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

41mm

Case Thickness

8.4mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

110m

Dial Color

Green

Jewels

30j

Frequency

28,800 bph

Power Reserve

50 hours

Year

1981

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