Seiko Cal. 6121 - 187

The 6121-187 is a sought-after Spring Drive piece from Seiko's golden era. With its 18mm lug width and 14.5mm profile, it sits comfortably on most wrists. [seikata-wm-7b93f8b5a466]

Also known as: Crown, Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

38mm

Case Thickness

14.5mm

Lug Width

18mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

190m

Dial Color

Silver

Jewels

33j

Frequency

36,000 bph

Power Reserve

60 hours

Year

1990

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