Seiko Cal. 6313 - 388

The 6313-388 is a sought-after Automatic piece from Seiko's golden era. Powered by the 6313 caliber with 20j jewels beating at 28,800 bph, it delivers a 60 hours power reserve. [seikata-wm-86186ca36875]

Also known as: Samurai, Baby Tuna

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

41mm

Case Thickness

9.4mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

170m

Dial Color

White

Jewels

20j

Frequency

28,800 bph

Power Reserve

60 hours

Year

1986

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