Seiko Cal. 6645 - 525

Seiko 6645-525

The Seiko 6645-525 represents an important milestone in Seiko's 1983 lineup. Powered by the 6645 caliber with 22j jewels beating at 21,600 bph, it delivers a 43 hours power reserve. [seikata-wm-b02caea3f25a]

Also known as: Turtle, Monster

Specifications

Movement
Quartz
Case Material
Titanium
Case Width
34mm
Case Thickness
15.0mm
Lug Width
22mm
Crystal
Sapphire
Bezel
Bidirectional
Water Resistance
180m
Dial Color
Black
Jewels
22j
Frequency
21,600 bph
Power Reserve
43 hours
Year
1983

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