Seiko Cal. 6157 - 552

The 6157-552 is a sought-after Spring Drive piece from Seiko's golden era. With its 20mm lug width and 12.5mm profile, it sits comfortably on most wrists. [seikata-wm-25e4983a0fcd]

Also known as: Sportsmatic

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

41mm

Case Thickness

12.5mm

Lug Width

20mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

190m

Dial Color

Black

Jewels

29j

Frequency

36,000 bph

Power Reserve

55 hours

Year

1968

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