Seiko Cal. 6131 - 433

The Seiko 6131-433 represents an important milestone in Seiko's 1973 lineup. It features a Black dial protected by a Sapphire crystal and offers 60m of water resistance. [seikata-wm-237e475f3d5d]

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

37mm

Case Thickness

15.3mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

60m

Dial Color

Black

Jewels

18j

Frequency

36,000 bph

Power Reserve

40 hours

Year

1973

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