Seiko Cal. 6630 - 359

The 6630-359 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 6630 caliber with 22j jewels beating at 28,800 bph, it delivers a 53 hours power reserve. [seikata-wm-d02e1709021c]

Also known as: Emperor

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

44mm

Case Thickness

11.8mm

Lug Width

21mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

110m

Dial Color

Silver

Jewels

22j

Frequency

28,800 bph

Power Reserve

53 hours

Year

1978

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