Seiko Cal. 5674 - 405

The 5674-405 is a sought-after Automatic piece from Seiko's golden era. Powered by the 5674 caliber with 21j jewels beating at 36,000 bph, it delivers a 58 hours power reserve. [seikata-wm-ad97dc35ddab]

Also known as: Tuna

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

42mm

Case Thickness

12.3mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

180m

Dial Color

Black

Jewels

21j

Frequency

36,000 bph

Power Reserve

58 hours

Year

1999

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