Seiko Cal. 3898 - 931

Seiko 3898-931

The 3898-931 is a sought-after Quartz piece from Seiko's golden era. Powered by the 3898 caliber with 27j jewels beating at 36,000 bph, it delivers a 49 hours power reserve. [seikata-wm-36021866fd67]

Also known as: Baby Tuna

Specifications

Movement
Quartz
Case Material
Two-Tone
Case Width
45mm
Case Thickness
13.0mm
Lug Width
18mm
Crystal
Acrylic
Bezel
Coin-Edge
Water Resistance
150m
Dial Color
Navy
Jewels
27j
Frequency
36,000 bph
Power Reserve
49 hours
Year
1999

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