Seiko Cal. 6632 - 741

Seiko 6632-741

The 6632-741 is a sought-after Spring Drive piece from Seiko's golden era. The Coin-Edge bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-401a4527a9b6]

Also known as: Crown, Golden Tuna

Specifications

Movement
Spring Drive
Case Material
Hardlex-Coated Steel
Case Width
40mm
Case Thickness
13.4mm
Lug Width
18mm
Crystal
Sapphire
Bezel
Coin-Edge
Water Resistance
40m
Dial Color
White
Jewels
28j
Frequency
21,600 bph
Power Reserve
71 hours
Year
1979

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