Seiko Cal. 6181 - 710

The 6181-710 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 6181 caliber with 24j jewels beating at 21,600 bph, it delivers a 40 hours power reserve. [seikata-wm-4798e9395fb2]

Also known as: World Timer, Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

37mm

Case Thickness

8.7mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

170m

Dial Color

Black

Jewels

24j

Frequency

21,600 bph

Power Reserve

40 hours

Year

1971

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