Seiko Cal. 0743 - 780

This Spring Drive model from 1986 features a 41mm Two-Tone case. It features a Navy dial protected by a Hardlex crystal and offers 30m of water resistance. [seikata-wm-b696e127ec3d]

Also known as: Bellmatic

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

41mm

Case Thickness

12.9mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

30m

Dial Color

Navy

Jewels

28j

Frequency

36,000 bph

Power Reserve

49 hours

Year

1986

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