Seiko Cal. 6330 - 581

Seiko 6330-581

The 6330-581 is a sought-after Automatic piece from Seiko's golden era. Powered by the 6330 caliber with 28j jewels beating at 21,600 bph, it delivers a 37 hours power reserve. [seikata-wm-ef6529a05f8b]

Also known as: Bullhead

Specifications

Movement
Automatic
Case Material
Hardlex-Coated Steel
Case Width
37mm
Case Thickness
9.2mm
Lug Width
21mm
Crystal
Hardlex
Bezel
Coin-Edge
Water Resistance
190m
Dial Color
Green
Jewels
28j
Frequency
21,600 bph
Power Reserve
37 hours
Year
1982

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