Seiko Cal. 4425 - 687

The Seiko 4425-687 represents an important milestone in Seiko's 1965 lineup. Powered by the 4425 caliber with 31j jewels beating at 28,800 bph, it delivers a 65 hours power reserve. [seikata-wm-f4addcb6ce90]

Also known as: Shogun, Golden Tuna

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

45mm

Case Thickness

11.3mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

190m

Dial Color

Champagne

Jewels

31j

Frequency

28,800 bph

Power Reserve

65 hours

Year

1965

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