Seiko Cal. 6630 - 721

Seiko 6630-721

The 6630-721 is a sought-after Quartz piece from Seiko's golden era. It features a Champagne dial protected by a Acrylic crystal and offers 140m of water resistance. [seikata-wm-12d8daeafbc9]

Also known as: Turtle, Sumo

Specifications

Movement
Quartz
Case Material
Stainless Steel
Case Width
34mm
Case Thickness
12.9mm
Lug Width
18mm
Crystal
Acrylic
Bezel
Coin-Edge
Water Resistance
140m
Dial Color
Champagne
Jewels
25j
Frequency
28,800 bph
Power Reserve
36 hours
Year
1971

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