Seiko Cal. 7031 - 360

The 7031-360 is a sought-after Quartz piece from Seiko's golden era. Powered by the 7031 caliber with 20j jewels beating at 21,600 bph, it delivers a 54 hours power reserve. [seikata-wm-0b801a881611]

Also known as: Bellmatic

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

46mm

Case Thickness

11.8mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

40m

Dial Color

Silver

Jewels

20j

Frequency

21,600 bph

Power Reserve

54 hours

Year

1977

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