Seiko Cal. 6133 - 744

The 6133-744 is a sought-after Automatic piece from Seiko's golden era. Powered by the 6133 caliber with 20j jewels beating at 28,800 bph, it delivers a 46 hours power reserve. [seikata-wm-300608f825f7]

Also known as: Sportsmatic, Golden Tuna

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

45mm

Case Thickness

9.2mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

100m

Dial Color

Silver

Jewels

20j

Frequency

28,800 bph

Power Reserve

46 hours

Year

1968

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