Seiko Cal. 4534 - 620

The 4534-620 is a sought-after Automatic piece from Seiko's golden era. Powered by the 4534 caliber with 25j jewels beating at 28,800 bph, it delivers a 41 hours power reserve. [seikata-wm-c2e8eb851a7a]

Also known as: Tuna, World Timer

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

35mm

Case Thickness

13.2mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

130m

Dial Color

Cream

Jewels

25j

Frequency

28,800 bph

Power Reserve

41 hours

Year

1977

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