Seiko Cal. 6633 - 674

The 6633-674 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 6633 caliber with 35j jewels beating at 36,000 bph, it delivers a 58 hours power reserve. [seikata-wm-a0d38b67853e]

Also known as: Sea Horse, Golden Tuna

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

42mm

Case Thickness

10.7mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

130m

Dial Color

Cream

Jewels

35j

Frequency

36,000 bph

Power Reserve

58 hours

Year

1990

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