Seiko Cal. 7143 - 931

The 7143-931 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 7143 caliber with 23j jewels beating at 36,000 bph, it delivers a 62 hours power reserve. [seikata-wm-90c719c6c08c]

Also known as: Samurai, Sea Horse

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

45mm

Case Thickness

11.5mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

50m

Dial Color

White

Jewels

23j

Frequency

36,000 bph

Power Reserve

62 hours

Year

1989

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