Seiko Cal. 6278 - 840

This Hand-Winding model from 1985 features a 46mm Two-Tone case. Powered by the 6278 caliber with 32j jewels beating at 21,600 bph, it delivers a 48 hours power reserve. [seikata-wm-c9eb3b66220b]

Also known as: Sportsmatic, Arnie

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

46mm

Case Thickness

13.2mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

160m

Dial Color

Navy

Jewels

32j

Frequency

21,600 bph

Power Reserve

48 hours

Year

1985

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