Seiko Cal. 7031 - 256

This Spring Drive model from 1994 features a 36mm Two-Tone case. Powered by the 7031 caliber with 25j jewels beating at 21,600 bph, it delivers a 61 hours power reserve. [seikata-wm-e7a0774f66d2]

Also known as: Crown

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

36mm

Case Thickness

8.1mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

60m

Dial Color

Green

Jewels

25j

Frequency

21,600 bph

Power Reserve

61 hours

Year

1994

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