Seiko Cal. 4545 - 840

The 4545-840 is a sought-after Solar piece from Seiko's golden era. Powered by the 4545 caliber with 31j jewels beating at 36,000 bph, it delivers a 54 hours power reserve. [seikata-wm-1e8eca3b8f93]

Also known as: Tuna, Bullhead

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

34mm

Case Thickness

14.6mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

140m

Dial Color

Black

Jewels

31j

Frequency

36,000 bph

Power Reserve

54 hours

Year

1970

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