Seiko Cal. 6351 - 525

The 6351-525 is a sought-after Automatic piece from Seiko's golden era. It features a Green dial protected by a Hardlex crystal and offers 140m of water resistance. [seikata-wm-aefe974e81a1]

Also known as: Tuna, Crown

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

44mm

Case Thickness

15.1mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

140m

Dial Color

Green

Jewels

35j

Frequency

28,800 bph

Power Reserve

36 hours

Year

1975

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