Seiko Cal. 6243 - 405

The 6243-405 is a sought-after Automatic piece from Seiko's golden era. Powered by the 6243 caliber with 31j jewels beating at 28,800 bph, it delivers a 60 hours power reserve. [seikata-wm-5304c4420d47]

Also known as: Baby Tuna

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

41mm

Case Thickness

9.9mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

170m

Dial Color

Burgundy

Jewels

31j

Frequency

28,800 bph

Power Reserve

60 hours

Year

1985

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