Seiko Cal. 4540 - 752

The Seiko 4540-752 represents an important milestone in Seiko's 1982 lineup. Powered by the 4540 caliber with 22j jewels beating at 36,000 bph, it delivers a 62 hours power reserve. [seikata-wm-ef015cf1b773]

Also known as: Tuna, Goldfeather

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

13.3mm

Lug Width

22mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

160m

Dial Color

Silver

Jewels

22j

Frequency

36,000 bph

Power Reserve

62 hours

Year

1982

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