Seiko Cal. 5610 - 320

The 5610-320 is a sought-after Automatic piece from Seiko's golden era. Powered by the 5610 caliber with 34j jewels beating at 28,800 bph, it delivers a 38 hours power reserve. [seikata-wm-67c8410cb2db]

Also known as: Helmet

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

45mm

Case Thickness

12.1mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

50m

Dial Color

Blue Sunburst

Jewels

34j

Frequency

28,800 bph

Power Reserve

38 hours

Year

1973

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