Seiko Cal. 5631 - 652

The Seiko 5631-652 represents an important milestone in Seiko's 1983 lineup. It features a Champagne dial protected by a Mineral crystal and offers 90m of water resistance. [seikata-wm-838456b845f2]

Also known as: Turtle, Shogun

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

43mm

Case Thickness

15.2mm

Lug Width

19mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

Champagne

Jewels

29j

Frequency

21,600 bph

Power Reserve

72 hours

Year

1983

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