Seiko Cal. 3810 - 647

This Solar model from 1992 features a 45mm Two-Tone case. Powered by the 3810 caliber with 35j jewels beating at 28,800 bph, it delivers a 72 hours power reserve. [seikata-wm-a202cf58717e]

Also known as: Sumo, World Timer

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

45mm

Case Thickness

14.1mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

170m

Dial Color

Green

Jewels

35j

Frequency

28,800 bph

Power Reserve

72 hours

Year

1992

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