Seiko Cal. 0740 - 421

The Seiko 0740-421 represents an important milestone in Seiko's 1988 lineup. It features a Burgundy dial protected by a Sapphire crystal and offers 90m of water resistance. [seikata-wm-342f64916392]

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

43mm

Case Thickness

11.2mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

90m

Dial Color

Burgundy

Jewels

28j

Frequency

28,800 bph

Power Reserve

67 hours

Year

1988

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