Seiko Cal. 0730 - 188

Released in 1974, the Cal. 0730 with design code 188 was part of Seiko's domestic market collection. With its 18mm lug width and 10.9mm profile, it sits comfortably on most wrists. [seikata-wm-bcf646ad00d2]

Also known as: Samurai, Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

41mm

Case Thickness

10.9mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

100m

Dial Color

Blue Sunburst

Jewels

20j

Frequency

36,000 bph

Power Reserve

64 hours

Year

1974

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