Seiko Cal. 3870 - 312

The Seiko 3870-312 represents an important milestone in Seiko's 1996 lineup. Powered by the 3870 caliber with 35j jewels beating at 21,600 bph, it delivers a 43 hours power reserve. [seikata-wm-002000bff4cd]

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

46mm

Case Thickness

11.0mm

Lug Width

22mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

Green

Jewels

35j

Frequency

21,600 bph

Power Reserve

43 hours

Year

1996

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