Seiko Cal. 6628 - 163

The 6628-163 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 6628 caliber with 26j jewels beating at 28,800 bph, it delivers a 58 hours power reserve. [seikata-wm-11c9c4c61b41]

Also known as: Navigator, Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

39mm

Case Thickness

11.7mm

Lug Width

22mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

150m

Dial Color

Navy

Jewels

26j

Frequency

28,800 bph

Power Reserve

58 hours

Year

1985

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