Seiko Cal. 4565 - 739

The Seiko 4565-739 represents an important milestone in Seiko's 1969 lineup. Powered by the 4565 caliber with 34j jewels beating at 21,600 bph, it delivers a 50 hours power reserve. [seikata-wm-383bfb54a90c]

Also known as: Helmet, Golden Tuna

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

37mm

Case Thickness

8.4mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

130m

Dial Color

Champagne

Jewels

34j

Frequency

21,600 bph

Power Reserve

50 hours

Year

1969

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