Seiko Cal. 3857 - 853

Seiko 3857-853

The Seiko 3857-853 represents an important milestone in Seiko's 1982 lineup. Powered by the 3857 caliber with 21j jewels beating at 28,800 bph, it delivers a 37 hours power reserve. [seikata-wm-f4e972fe35bb]

Also known as: Turtle

Specifications

Movement
Kinetic
Case Material
Hardlex-Coated Steel
Case Width
38mm
Case Thickness
14.4mm
Lug Width
20mm
Crystal
Sapphire
Bezel
Inner Rotating
Water Resistance
40m
Dial Color
Black
Jewels
21j
Frequency
28,800 bph
Power Reserve
37 hours
Year
1982

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