Seiko Cal. 7181 - 856

The 7181-856 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 7181 caliber with 34j jewels beating at 36,000 bph, it delivers a 42 hours power reserve. [seikata-wm-ea53f2c9f257]

Also known as: Panda, Helmet

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

43mm

Case Thickness

13.6mm

Lug Width

21mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

170m

Dial Color

Navy

Jewels

34j

Frequency

36,000 bph

Power Reserve

42 hours

Year

1998

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