Seiko Cal. 5644 - 750

Seiko 5644-750

The Seiko 5644-750 represents an important milestone in Seiko's 1978 lineup. Powered by the 5644 caliber with 30j jewels beating at 21,600 bph, it delivers a 48 hours power reserve. [seikata-wm-a47d7699ec3c]

Also known as: Shogun, Silverwave

Specifications

Movement
Kinetic
Case Material
PVD Black
Case Width
44mm
Case Thickness
14.4mm
Lug Width
20mm
Crystal
Acrylic
Bezel
Coin-Edge
Water Resistance
50m
Dial Color
Black
Jewels
30j
Frequency
21,600 bph
Power Reserve
48 hours
Year
1978

Related Models

seikata-wm-a47d7699ec3c