Seiko Cal. 7145 - 750

The Seiko 7145-750 represents an important milestone in Seiko's 1974 lineup. Powered by the 7145 caliber with 28j jewels beating at 21,600 bph, it delivers a 41 hours power reserve. [seikata-wm-683894095c46]

Also known as: Helmet, Golden Tuna

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

46mm

Case Thickness

8.1mm

Lug Width

20mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

120m

Dial Color

Silver

Jewels

28j

Frequency

21,600 bph

Power Reserve

41 hours

Year

1974

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