Seiko Cal. 5645 - 321

Seiko 5645-321

The 5645-321 is a sought-after Automatic piece from Seiko's golden era. Powered by the 5645 caliber with 33j jewels beating at 21,600 bph, it delivers a 39 hours power reserve. [seikata-wm-e08385e5caaf]

Also known as: Sea Horse

Specifications

Movement
Automatic
Case Material
Stainless Steel
Case Width
43mm
Case Thickness
11.7mm
Lug Width
18mm
Crystal
Acrylic
Bezel
Fixed
Water Resistance
140m
Dial Color
Silver
Jewels
33j
Frequency
21,600 bph
Power Reserve
39 hours
Year
1991

Related Models

seikata-wm-e08385e5caaf