Seiko Cal. 6630 - 148

Seiko 6630-148

The Seiko 6630-148 represents an important milestone in Seiko's 1969 lineup. Powered by the 6630 caliber with 18j jewels beating at 28,800 bph, it delivers a 63 hours power reserve. [seikata-wm-f27cd6fead50]

Also known as: Sumo

Specifications

Movement
Automatic
Case Material
Stainless Steel
Case Width
40mm
Case Thickness
13.7mm
Lug Width
18mm
Crystal
Sapphire
Bezel
Coin-Edge
Water Resistance
130m
Dial Color
Silver
Jewels
18j
Frequency
28,800 bph
Power Reserve
63 hours
Year
1969

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