Seiko Cal. 7156 - 445

The Seiko 7156-445 represents an important milestone in Seiko's 1965 lineup. Powered by the 7156 caliber with 23j jewels beating at 36,000 bph, it delivers a 47 hours power reserve. [seikata-wm-a4aae242a429]

Also known as: World Timer, Crown

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

43mm

Case Thickness

12.7mm

Lug Width

21mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

40m

Dial Color

Navy

Jewels

23j

Frequency

36,000 bph

Power Reserve

47 hours

Year

1965

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