Seiko Cal. 3857 - 433

Seiko 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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