Seiko Cal. 0731 - 210

The 0731-210 is a sought-after Kinetic piece from Seiko's golden era. It features a White dial protected by a Hardlex crystal and offers 180m of water resistance. [seikata-wm-4074cc35e897]

Also known as: Tuna, Crown

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

42mm

Case Thickness

15.4mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

180m

Dial Color

White

Jewels

18j

Frequency

28,800 bph

Power Reserve

59 hours

Year

1965

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