Seiko Cal. 6157 - 181

The 6157-181 is a sought-after Spring Drive piece from Seiko's golden era. With its 18mm lug width and 11.5mm profile, it sits comfortably on most wrists. [seikata-wm-82f1b1f10d3f]

Also known as: Baby Tuna, Emperor

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

34mm

Case Thickness

11.5mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

120m

Dial Color

Silver

Jewels

24j

Frequency

21,600 bph

Power Reserve

49 hours

Year

1973

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