Seiko Cal. 0754 - 643

Released in 1983, the Cal. 0754 with design code 643 was part of Seiko's domestic market collection. It features a Blue Sunburst dial protected by a Hardlex crystal and offers 40m of water resistance. [seikata-wm-b5d17ca83fa1]

Also known as: Monster, Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

38mm

Case Thickness

10.8mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

40m

Dial Color

Blue Sunburst

Jewels

19j

Frequency

36,000 bph

Power Reserve

47 hours

Year

1983

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