Seiko Cal. 4540 - 376

The Seiko 4540-376 represents an important milestone in Seiko's 1977 lineup. It features a Green dial protected by a Sapphire crystal and offers 140m of water resistance. [seikata-wm-76cf426e9254]

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

10.5mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

140m

Dial Color

Green

Jewels

19j

Frequency

36,000 bph

Power Reserve

61 hours

Year

1977

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