Seiko Cal. 7031 - 364

The Seiko 7031-364 represents an important milestone in Seiko's 1965 lineup. Powered by the 7031 caliber with 24j jewels beating at 28,800 bph, it delivers a 52 hours power reserve. [seikata-wm-604792b99259]

Also known as: Sea Horse

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

44mm

Case Thickness

14.3mm

Lug Width

22mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

Champagne

Jewels

24j

Frequency

28,800 bph

Power Reserve

52 hours

Year

1965

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