Seiko Cal. 5231 - 617

The Seiko 5231-617 represents an important milestone in Seiko's 1981 lineup. It features a Champagne dial protected by a Acrylic crystal and offers 40m of water resistance. [seikata-wm-f5c1f5dc4af5]

Also known as: Turtle, Bullhead

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

41mm

Case Thickness

9.7mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

40m

Dial Color

Champagne

Jewels

36j

Frequency

21,600 bph

Power Reserve

69 hours

Year

1981

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