Seiko Cal. 3878 - 911

The 3878-911 is a sought-after Quartz piece from Seiko's golden era. Powered by the 3878 caliber with 31j jewels beating at 36,000 bph, it delivers a 41 hours power reserve. [seikata-wm-1ed0283f21c6]

Also known as: Baby Tuna

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

40mm

Case Thickness

10.8mm

Lug Width

21mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

30m

Dial Color

Silver

Jewels

31j

Frequency

36,000 bph

Power Reserve

41 hours

Year

1994

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