Seiko Cal. 7023 - 448

The Seiko 7023-448 represents an important milestone in Seiko's 1965 lineup. Powered by the 7023 caliber with 31j jewels beating at 21,600 bph, it delivers a 62 hours power reserve. [seikata-wm-981fe2570f7c]

Also known as: Bullhead, Arnie

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

37mm

Case Thickness

15.1mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

150m

Dial Color

Black

Jewels

31j

Frequency

21,600 bph

Power Reserve

62 hours

Year

1965

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