Seiko Cal. 3810 - 728

The 3810-728 is a sought-after Quartz piece from Seiko's golden era. Powered by the 3810 caliber with 28j jewels beating at 36,000 bph, it delivers a 39 hours power reserve. [seikata-wm-6d937fafd305]

Also known as: Rally, World Timer

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

37mm

Case Thickness

11.4mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

140m

Dial Color

Navy

Jewels

28j

Frequency

36,000 bph

Power Reserve

39 hours

Year

1990

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