Seiko Cal. 0771 - 818

The 0771-818 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 0771 caliber with 23j jewels beating at 21,600 bph, it delivers a 69 hours power reserve. [seikata-wm-f687e917b663]

Also known as: Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

42mm

Case Thickness

9.4mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

50m

Dial Color

Silver

Jewels

23j

Frequency

21,600 bph

Power Reserve

69 hours

Year

1997

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