Seiko Cal. 3857 - 784

The Seiko 3857-784 represents an important milestone in Seiko's 1972 lineup. The Inner Rotating bezel and 35mm case give it a distinctive presence on the wrist. [seikata-wm-9596341efbb3]

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

35mm

Case Thickness

9.0mm

Lug Width

21mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

110m

Dial Color

Navy

Jewels

21j

Frequency

36,000 bph

Power Reserve

70 hours

Year

1972

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