Seiko Cal. 4538 - 240

The Seiko 4538-240 represents an important milestone in Seiko's 1986 lineup. It features a Blue Sunburst dial protected by a Mineral crystal and offers 70m of water resistance. [seikata-wm-0c1e53c18ca9]

Also known as: Navigator

Specifications

Movement

Kinetic

Case Material

Titanium

Case Width

35mm

Case Thickness

12.6mm

Lug Width

18mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

70m

Dial Color

Blue Sunburst

Jewels

20j

Frequency

36,000 bph

Power Reserve

37 hours

Year

1986

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