Seiko Cal. 6645 - 978

Seiko 6645-978

The Seiko 6645-978 represents an important milestone in Seiko's 1982 lineup. The Rotating bezel and 43mm case give it a distinctive presence on the wrist. [seikata-wm-10d2439047e3]

Also known as: Monster, Silverwave

Specifications

Movement
Solar
Case Material
Two-Tone
Case Width
43mm
Case Thickness
15.1mm
Lug Width
20mm
Crystal
Hardlex
Bezel
Rotating
Water Resistance
110m
Dial Color
Burgundy
Jewels
30j
Frequency
36,000 bph
Power Reserve
61 hours
Year
1982

Related Models

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