Seiko Cal. 6644 - 827

Seiko 6644-827

This Hand-Winding model from 1987 features a 40mm Hardlex-Coated Steel case. The Coin-Edge bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-c403fe031246]

Specifications

Movement
Hand-Winding
Case Material
Hardlex-Coated Steel
Case Width
40mm
Case Thickness
8.4mm
Lug Width
20mm
Crystal
Acrylic
Bezel
Coin-Edge
Water Resistance
170m
Dial Color
Navy
Jewels
28j
Frequency
28,800 bph
Power Reserve
58 hours
Year
1987

Related Models

seikata-wm-c403fe031246