Seiko Cal. 4478 - 286

Seiko 4478-286

The Seiko 4478-286 represents an important milestone in Seiko's 1973 lineup. Powered by the 4478 caliber with 27j jewels beating at 36,000 bph, it delivers a 67 hours power reserve. [seikata-wm-14f87f515fd8]

Also known as: Bellmatic, Navigator

Specifications

Movement
Spring Drive
Case Material
PVD Black
Case Width
35mm
Case Thickness
12.0mm
Lug Width
18mm
Crystal
Hardlex
Bezel
Coin-Edge
Water Resistance
130m
Dial Color
Silver
Jewels
27j
Frequency
36,000 bph
Power Reserve
67 hours
Year
1973

Related Models

seikata-wm-14f87f515fd8