Seiko Cal. 6645 - 898

Seiko 6645-898

This Spring Drive model from 1997 features a 41mm PVD Black case. With its 18mm lug width and 9.8mm profile, it sits comfortably on most wrists. [seikata-wm-8ebef785ca6f]

Also known as: Sumo, Silverwave

Specifications

Movement
Spring Drive
Case Material
PVD Black
Case Width
41mm
Case Thickness
9.8mm
Lug Width
18mm
Crystal
Acrylic
Bezel
Coin-Edge
Water Resistance
150m
Dial Color
Black
Jewels
26j
Frequency
28,800 bph
Power Reserve
65 hours
Year
1997

Related Models

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