Seiko Cal. 0740 - 721

This Hand-Winding model from 1983 features a 41mm Two-Tone case. It features a White dial protected by a Sapphire crystal and offers 50m of water resistance. [seikata-wm-d095bdb283d8]

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

41mm

Case Thickness

12.1mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

50m

Dial Color

White

Jewels

22j

Frequency

28,800 bph

Power Reserve

43 hours

Year

1983

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