Seiko Cal. 3857 - 805

Seiko 3857-805

The Seiko 3857-805 represents an important milestone in Seiko's 1971 lineup. Powered by the 3857 caliber with 36j jewels beating at 28,800 bph, it delivers a 45 hours power reserve. [seikata-wm-2bd1041e2595]

Also known as: Turtle, Tuna

Specifications

Movement
Quartz
Case Material
Two-Tone
Case Width
45mm
Case Thickness
10.3mm
Lug Width
20mm
Crystal
Sapphire
Bezel
Fixed
Water Resistance
70m
Dial Color
Silver
Jewels
36j
Frequency
28,800 bph
Power Reserve
45 hours
Year
1971

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seikata-wm-2bd1041e2595