Seiko Cal. 6641 - 743

Seiko 6641-743

The Seiko 6641-743 represents an important milestone in Seiko's 1972 lineup. With its 21mm lug width and 10.4mm profile, it sits comfortably on most wrists. [seikata-wm-b421d55ef413]

Also known as: Crown

Specifications

Movement
Hand-Winding
Case Material
Stainless Steel
Case Width
39mm
Case Thickness
10.4mm
Lug Width
21mm
Crystal
Sapphire
Bezel
Coin-Edge
Water Resistance
180m
Dial Color
Cream
Jewels
25j
Frequency
28,800 bph
Power Reserve
37 hours
Year
1972

Related Models

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