Seiko Cal. 3877 - 363

The 3877-363 is a sought-after Spring Drive piece from Seiko's golden era. With its 20mm lug width and 14.1mm profile, it sits comfortably on most wrists. [seikata-wm-96eb3e4e29a5]

Also known as: Samurai, Sportsmatic

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

45mm

Case Thickness

14.1mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

170m

Dial Color

Navy

Jewels

32j

Frequency

21,600 bph

Power Reserve

45 hours

Year

1999

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