Seiko Cal. 4540 - 748

The Seiko 4540-748 represents an important milestone in Seiko's 1968 lineup. It features a Green dial protected by a Mineral crystal and offers 130m of water resistance. [seikata-wm-519ee121b4e5]

Also known as: Arnie

Specifications

Movement

Kinetic

Case Material

Titanium

Case Width

38mm

Case Thickness

14.8mm

Lug Width

22mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

130m

Dial Color

Green

Jewels

36j

Frequency

36,000 bph

Power Reserve

68 hours

Year

1968

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