Seiko Cal. 6633 - 393

Seiko 6633-393

The 6633-393 is a sought-after Automatic piece from Seiko's golden era. Powered by the 6633 caliber with 25j jewels beating at 21,600 bph, it delivers a 54 hours power reserve. [seikata-wm-e52b528ede66]

Also known as: World Timer, Sea Horse

Specifications

Movement
Automatic
Case Material
Gold-Plated
Case Width
42mm
Case Thickness
15.0mm
Lug Width
20mm
Crystal
Sapphire
Bezel
Coin-Edge
Water Resistance
170m
Dial Color
Green
Jewels
25j
Frequency
21,600 bph
Power Reserve
54 hours
Year
1987

Related Models

seikata-wm-e52b528ede66