Seiko Cal. 6310 - 578

This Spring Drive model from 1984 features a 38mm Two-Tone case. Powered by the 6310 caliber with 23j jewels beating at 28,800 bph, it delivers a 38 hours power reserve. [seikata-wm-b586c81e40f7]

Also known as: Tuna, Navigator

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

38mm

Case Thickness

10.0mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

80m

Dial Color

White

Jewels

23j

Frequency

28,800 bph

Power Reserve

38 hours

Year

1984

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