Seiko Cal. 3857 - 392

The Seiko 3857-392 represents an important milestone in Seiko's 1975 lineup. Powered by the 3857 caliber with 32j jewels beating at 36,000 bph, it delivers a 61 hours power reserve. [seikata-wm-e56c999f39e0]

Also known as: Emperor

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

40mm

Case Thickness

11.3mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

110m

Dial Color

Cream

Jewels

32j

Frequency

36,000 bph

Power Reserve

61 hours

Year

1975

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