Seiko Cal. 5691 - 743

The Seiko 5691-743 represents an important milestone in Seiko's 1969 lineup. It features a Champagne dial protected by a Sapphire crystal and offers 120m of water resistance. [seikata-wm-81318b61c02a]

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

40mm

Case Thickness

15.0mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

120m

Dial Color

Champagne

Jewels

25j

Frequency

28,800 bph

Power Reserve

57 hours

Year

1969

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