Seiko Cal. 4538 - 505

The Seiko 4538-505 represents an important milestone in Seiko's 1975 lineup. The Fixed bezel and 44mm case give it a distinctive presence on the wrist. [seikata-wm-d32f84796aa5]

Also known as: Helmet, Sea Horse

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

44mm

Case Thickness

15.5mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

70m

Dial Color

White

Jewels

25j

Frequency

28,800 bph

Power Reserve

54 hours

Year

1975

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