Seiko Cal. 4540 - 371

The Seiko 4540-371 represents an important milestone in Seiko's 1971 lineup. Powered by the 4540 caliber with 21j jewels beating at 28,800 bph, it delivers a 64 hours power reserve. [seikata-wm-e0b15319b6c8]

Also known as: Rally, Arnie

Specifications

Movement

Kinetic

Case Material

Gold-Plated

Case Width

40mm

Case Thickness

14.6mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

160m

Dial Color

White

Jewels

21j

Frequency

28,800 bph

Power Reserve

64 hours

Year

1971

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