Seiko Cal. 7031 - 263

This Hand-Winding model from 1965 features a 46mm PVD Black case. It features a Silver dial protected by a Sapphire crystal and offers 40m of water resistance. [seikata-wm-6c4ab741e36a]

Also known as: Golden Tuna

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

46mm

Case Thickness

13.2mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

40m

Dial Color

Silver

Jewels

26j

Frequency

28,800 bph

Power Reserve

43 hours

Year

1965

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