Seiko Cal. 6310 - 104

This Spring Drive model from 1999 features a 39mm Hardlex-Coated Steel case. Powered by the 6310 caliber with 19j jewels beating at 36,000 bph, it delivers a 61 hours power reserve. [seikata-wm-e9c8363db842]

Also known as: Tuna, Bellmatic

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

11.2mm

Lug Width

21mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

70m

Dial Color

Blue Sunburst

Jewels

19j

Frequency

36,000 bph

Power Reserve

61 hours

Year

1999

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