Seiko Cal. 3898 - 278

The 3898-278 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 3898 caliber with 32j jewels beating at 21,600 bph, it delivers a 62 hours power reserve. [seikata-wm-415b5dd69630]

Also known as: Bellmatic

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

41mm

Case Thickness

10.4mm

Lug Width

18mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

170m

Dial Color

Black

Jewels

32j

Frequency

21,600 bph

Power Reserve

62 hours

Year

1981

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