Seiko Cal. 4431 - 768

Released in 1991, the Cal. 4431 with design code 768 was part of Seiko's domestic market collection. Powered by the 4431 caliber with 24j jewels beating at 21,600 bph, it delivers a 59 hours power reserve. [seikata-wm-25a31cd49fa2]

Also known as: Tuna, Golden Tuna

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

44mm

Case Thickness

9.6mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

180m

Dial Color

Champagne

Jewels

24j

Frequency

21,600 bph

Power Reserve

59 hours

Year

1991

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