Seiko Cal. 5631 - 417

The Seiko 5631-417 represents an important milestone in Seiko's 1970 lineup. The Coin-Edge bezel and 38mm case give it a distinctive presence on the wrist. [seikata-wm-76ef4dc46a65]

Also known as: Turtle

Specifications

Movement

Solar

Case Material

Gold-Plated

Case Width

38mm

Case Thickness

8.7mm

Lug Width

20mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

50m

Dial Color

White

Jewels

22j

Frequency

21,600 bph

Power Reserve

65 hours

Year

1970

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