Seiko Cal. 3856 - 633

Seiko 3856-633

The Seiko 3856-633 represents an important milestone in Seiko's 1969 lineup. Powered by the 3856 caliber with 26j jewels beating at 28,800 bph, it delivers a 53 hours power reserve. [seikata-wm-bef065377a8d]

Also known as: Goldfeather, Arnie

Specifications

Movement
Hand-Winding
Case Material
Hardlex-Coated Steel
Case Width
34mm
Case Thickness
14.4mm
Lug Width
18mm
Crystal
Sapphire
Bezel
Rotating
Water Resistance
40m
Dial Color
Black
Jewels
26j
Frequency
28,800 bph
Power Reserve
53 hours
Year
1969

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