Seiko Cal. 3813 - 236

The 3813-236 is a sought-after Solar piece from Seiko's golden era. Powered by the 3813 caliber with 25j jewels beating at 21,600 bph, it delivers a 47 hours power reserve. [seikata-wm-8a36fc9c047c]

Also known as: UFO

Specifications

Movement

Solar

Case Material

Titanium

Case Width

37mm

Case Thickness

13.5mm

Lug Width

21mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

200m

Dial Color

Champagne

Jewels

25j

Frequency

21,600 bph

Power Reserve

47 hours

Year

1989

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