Seiko Cal. 4540 - 549

The Seiko 4540-549 represents an important milestone in Seiko's 1971 lineup. It features a Green dial protected by a Mineral crystal and offers 100m of water resistance. [seikata-wm-6b43ee23c85a]

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

36mm

Case Thickness

15.5mm

Lug Width

21mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

100m

Dial Color

Green

Jewels

34j

Frequency

36,000 bph

Power Reserve

44 hours

Year

1971

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