Seiko Cal. 6644 - 834

Seiko 6644-834

This Spring Drive model from 1987 features a 35mm Two-Tone case. With its 19mm lug width and 8.3mm profile, it sits comfortably on most wrists. [seikata-wm-a3fe3e711ad0]

Also known as: Sportsmatic, Golden Tuna

Specifications

Movement
Spring Drive
Case Material
Two-Tone
Case Width
35mm
Case Thickness
8.3mm
Lug Width
19mm
Crystal
Acrylic
Bezel
Coin-Edge
Water Resistance
120m
Dial Color
Silver
Jewels
27j
Frequency
21,600 bph
Power Reserve
54 hours
Year
1987

Related Models

seikata-wm-a3fe3e711ad0