Seiko Cal. 0731 - 830

The 0731-830 is a sought-after Solar piece from Seiko's golden era. It features a White dial protected by a Sapphire crystal and offers 50m of water resistance. [seikata-wm-999b05607227]

Also known as: Golden Tuna

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

10.0mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

50m

Dial Color

White

Jewels

33j

Frequency

28,800 bph

Power Reserve

38 hours

Year

1980

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