Seiko Cal. 3888 - 987

The 3888-987 is a sought-after Solar piece from Seiko's golden era. Powered by the 3888 caliber with 28j jewels beating at 28,800 bph, it delivers a 64 hours power reserve. [seikata-wm-8eff257cf0d4]

Also known as: Tuna

Specifications

Movement

Solar

Case Material

Stainless Steel

Case Width

40mm

Case Thickness

10.0mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

140m

Dial Color

Silver

Jewels

28j

Frequency

28,800 bph

Power Reserve

64 hours

Year

1971

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