Seiko Cal. 3813 - 425

The Seiko 3813-425 represents an important milestone in Seiko's 1974 lineup. Powered by the 3813 caliber with 35j jewels beating at 36,000 bph, it delivers a 45 hours power reserve. [seikata-wm-ace8a9856651]

Also known as: Turtle, Tuna

Specifications

Movement

Solar

Case Material

Titanium

Case Width

42mm

Case Thickness

8.8mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

200m

Dial Color

Cream

Jewels

35j

Frequency

36,000 bph

Power Reserve

45 hours

Year

1974

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