Seiko Cal. 5231 - 324

The Seiko 5231-324 represents an important milestone in Seiko's 1977 lineup. It features a Navy dial protected by a Acrylic crystal and offers 90m of water resistance. [seikata-wm-f552c62a397a]

Also known as: Turtle, Sea Horse

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

38mm

Case Thickness

8.9mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

Navy

Jewels

25j

Frequency

28,800 bph

Power Reserve

52 hours

Year

1977

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