Seiko Cal. 4538 - 691

The Seiko 4538-691 represents an important milestone in Seiko's 1998 lineup. It features a Navy dial protected by a Acrylic crystal and offers 90m of water resistance. [seikata-wm-27cb6b8e2a46]

Also known as: Samurai, Navigator

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

46mm

Case Thickness

8.2mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

90m

Dial Color

Navy

Jewels

26j

Frequency

21,600 bph

Power Reserve

47 hours

Year

1998

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