Seiko Cal. 7031 - 236

The Seiko 7031-236 represents an important milestone in Seiko's 1993 lineup. Powered by the 7031 caliber with 35j jewels beating at 21,600 bph, it delivers a 46 hours power reserve. [seikata-wm-5d4073530c7b]

Also known as: Helmet, World Timer

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

36mm

Case Thickness

14.7mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

70m

Dial Color

Blue Sunburst

Jewels

35j

Frequency

21,600 bph

Power Reserve

46 hours

Year

1993

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