Seiko Cal. 3813 - 170

This Hand-Winding model from 1989 features a 46mm Two-Tone case. Powered by the 3813 caliber with 25j jewels beating at 36,000 bph, it delivers a 41 hours power reserve. [seikata-wm-480c8ac2ea45]

Also known as: Sea Horse, Crown

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

46mm

Case Thickness

14.7mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

120m

Dial Color

Blue Sunburst

Jewels

25j

Frequency

36,000 bph

Power Reserve

41 hours

Year

1989

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