Seiko Cal. 7143 - 845

The 7143-845 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 7143 caliber with 21j jewels beating at 28,800 bph, it delivers a 70 hours power reserve. [seikata-wm-af2a4e35d801]

Also known as: Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

41mm

Case Thickness

13.6mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

70m

Dial Color

Navy

Jewels

21j

Frequency

28,800 bph

Power Reserve

70 hours

Year

1998

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