Seiko Cal. 3870 - 835

The Seiko 3870-835 represents an important milestone in Seiko's 1987 lineup. Powered by the 3870 caliber with 23j jewels beating at 28,800 bph, it delivers a 50 hours power reserve. [seikata-wm-28fdf42f1757]

Also known as: Turtle, Rally

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

43mm

Case Thickness

9.1mm

Lug Width

22mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

100m

Dial Color

Cream

Jewels

23j

Frequency

28,800 bph

Power Reserve

50 hours

Year

1987

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