Seiko Cal. 7031 - 858

The 7031-858 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 7031 caliber with 34j jewels beating at 36,000 bph, it delivers a 37 hours power reserve. [seikata-wm-365b1bf67d55]

Also known as: Rally

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

45mm

Case Thickness

12.3mm

Lug Width

19mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

190m

Dial Color

Cream

Jewels

34j

Frequency

36,000 bph

Power Reserve

37 hours

Year

1978

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