Seiko Cal. 4525 - 640

Released in 1967, the Cal. 4525 with design code 640 was part of Seiko's domestic market collection. It features a Green dial protected by a Mineral crystal and offers 150m of water resistance. [seikata-wm-892472039544]

Also known as: Golden Tuna

Specifications

Movement

Solar

Case Material

Gold-Plated

Case Width

34mm

Case Thickness

11.7mm

Lug Width

18mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

150m

Dial Color

Green

Jewels

36j

Frequency

28,800 bph

Power Reserve

50 hours

Year

1967

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