Seiko Cal. 6641 - 637

Seiko 6641-637

This Automatic model from 1976 features a 34mm PVD Black case. With its 22mm lug width and 9.9mm profile, it sits comfortably on most wrists. [seikata-wm-ff408726a6cc]

Also known as: Turtle, Golden Tuna

Specifications

Movement
Automatic
Case Material
PVD Black
Case Width
34mm
Case Thickness
9.9mm
Lug Width
22mm
Crystal
Acrylic
Bezel
Coin-Edge
Water Resistance
130m
Dial Color
Champagne
Jewels
17j
Frequency
28,800 bph
Power Reserve
49 hours
Year
1976

Related Models

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