Seiko Cal. 3810 - 680

The 3810-680 is a sought-after Quartz piece from Seiko's golden era. Powered by the 3810 caliber with 29j jewels beating at 36,000 bph, it delivers a 66 hours power reserve. [seikata-wm-3ded7defe5d7]

Also known as: Sportsmatic

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

34mm

Case Thickness

15.2mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

160m

Dial Color

Navy

Jewels

29j

Frequency

36,000 bph

Power Reserve

66 hours

Year

1995

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