Seiko Cal. 0731 - 597

The Seiko 0731-597 represents an important milestone in Seiko's 1965 lineup. It features a Navy dial protected by a Hardlex crystal and offers 140m of water resistance. [seikata-wm-e8026a8a4092]

Also known as: Pogue, UFO

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

14.7mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

140m

Dial Color

Navy

Jewels

20j

Frequency

36,000 bph

Power Reserve

61 hours

Year

1965

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