Seiko Cal. 3888 - 730

Seiko 3888-730

The Seiko 3888-730 represents an important milestone in Seiko's 1986 lineup. Powered by the 3888 caliber with 21j jewels beating at 21,600 bph, it delivers a 42 hours power reserve. [seikata-wm-5ed20ef565b1]

Also known as: Navigator, Golden Tuna

Specifications

Movement
Quartz
Case Material
PVD Black
Case Width
46mm
Case Thickness
10.4mm
Lug Width
18mm
Crystal
Acrylic
Bezel
Coin-Edge
Water Resistance
200m
Dial Color
Silver
Jewels
21j
Frequency
21,600 bph
Power Reserve
42 hours
Year
1986

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