Seiko Cal. 6321 - 525

The Seiko 6321-525 represents an important milestone in Seiko's 1966 lineup. Powered by the 6321 caliber with 25j jewels beating at 36,000 bph, it delivers a 66 hours power reserve. [seikata-wm-7ed49454c6cc]

Also known as: Golden Tuna

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

37mm

Case Thickness

9.1mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

30m

Dial Color

Champagne

Jewels

25j

Frequency

36,000 bph

Power Reserve

66 hours

Year

1966

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