Seiko Cal. 5231 - 636

The Seiko 5231-636 represents an important milestone in Seiko's 1988 lineup. It features a Cream dial protected by a Mineral crystal and offers 70m of water resistance. [seikata-wm-a46e0b865758]

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

40mm

Case Thickness

9.6mm

Lug Width

20mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

70m

Dial Color

Cream

Jewels

21j

Frequency

28,800 bph

Power Reserve

48 hours

Year

1988

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