Seiko Cal. 3857 - 863

Seiko 3857-863

The Seiko 3857-863 represents an important milestone in Seiko's 1999 lineup. Powered by the 3857 caliber with 23j jewels beating at 28,800 bph, it delivers a 48 hours power reserve. [seikata-wm-3731a1690fab]

Also known as: Tuna, Silverwave

Specifications

Movement
Automatic
Case Material
Titanium
Case Width
37mm
Case Thickness
11.3mm
Lug Width
22mm
Crystal
Acrylic
Bezel
Bidirectional
Water Resistance
170m
Dial Color
Silver
Jewels
23j
Frequency
28,800 bph
Power Reserve
48 hours
Year
1999

Related Models

seikata-wm-3731a1690fab