Seiko Cal. 5643 - 864

Seiko 5643-864

The Seiko 5643-864 represents an important milestone in Seiko's 1981 lineup. Powered by the 5643 caliber with 35j jewels beating at 28,800 bph, it delivers a 60 hours power reserve. [seikata-wm-0b55d642ff8b]

Also known as: Baby Tuna, Arnie

Specifications

Movement
Spring Drive
Case Material
Titanium
Case Width
45mm
Case Thickness
14.4mm
Lug Width
21mm
Crystal
Sapphire
Bezel
Coin-Edge
Water Resistance
200m
Dial Color
Blue Sunburst
Jewels
35j
Frequency
28,800 bph
Power Reserve
60 hours
Year
1981

Related Models

seikata-wm-0b55d642ff8b