Seiko Cal. 6330 - 633

The 6330-633 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 6330 caliber with 27j jewels beating at 21,600 bph, it delivers a 40 hours power reserve. [seikata-wm-7b8145416a63]

Also known as: Tuna

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

35mm

Case Thickness

15.5mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

60m

Dial Color

Blue Sunburst

Jewels

27j

Frequency

21,600 bph

Power Reserve

40 hours

Year

1995

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