Seiko Cal. 5278 - 337

The Seiko 5278-337 represents an important milestone in Seiko's 1986 lineup. Powered by the 5278 caliber with 31j jewels beating at 21,600 bph, it delivers a 42 hours power reserve. [seikata-wm-5fff914384a6]

Also known as: Sportsmatic

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

44mm

Case Thickness

14.5mm

Lug Width

20mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

170m

Dial Color

Burgundy

Jewels

31j

Frequency

21,600 bph

Power Reserve

42 hours

Year

1986

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