Seiko Cal. 3857 - 433

The Seiko 3857-433 represents an important milestone in Seiko's 1978 lineup. Powered by the 3857 caliber with 23j jewels beating at 21,600 bph, it delivers a 41 hours power reserve. [seikata-wm-976d2b981c1e]

Also known as: Monster, Rally

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

44mm

Case Thickness

13.0mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

200m

Dial Color

Green

Jewels

23j

Frequency

21,600 bph

Power Reserve

41 hours

Year

1978

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