Seiko Cal. 3878 - 264

The 3878-264 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 3878 caliber with 19j jewels beating at 36,000 bph, it delivers a 38 hours power reserve. [seikata-wm-85c47eb6007c]

Also known as: Sportsmatic

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

45mm

Case Thickness

8.7mm

Lug Width

21mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

90m

Dial Color

Champagne

Jewels

19j

Frequency

36,000 bph

Power Reserve

38 hours

Year

1998

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