Seiko Cal. 4540 - 816

The Seiko 4540-816 represents an important milestone in Seiko's 1980 lineup. It features a Champagne dial protected by a Mineral crystal and offers 30m of water resistance. [seikata-wm-e9998ea8f8ab]

Also known as: Pogue, Helmet

Specifications

Movement

Kinetic

Case Material

Titanium

Case Width

43mm

Case Thickness

9.9mm

Lug Width

22mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

30m

Dial Color

Champagne

Jewels

25j

Frequency

36,000 bph

Power Reserve

62 hours

Year

1980

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