Seiko Cal. 5644 - 738

Seiko 5644-738

The Seiko 5644-738 represents an important milestone in Seiko's 1986 lineup. Powered by the 5644 caliber with 33j jewels beating at 28,800 bph, it delivers a 52 hours power reserve. [seikata-wm-d833906a1939]

Also known as: Turtle, Sportsmatic

Specifications

Movement
Kinetic
Case Material
Stainless Steel
Case Width
40mm
Case Thickness
14.9mm
Lug Width
19mm
Crystal
Mineral
Bezel
Inner Rotating
Water Resistance
130m
Dial Color
Champagne
Jewels
33j
Frequency
28,800 bph
Power Reserve
52 hours
Year
1986

Related Models

seikata-wm-d833906a1939