Seiko Cal. 7139 - 673

This Hand-Winding model from 1997 features a 46mm Two-Tone case. Powered by the 7139 caliber with 36j jewels beating at 28,800 bph, it delivers a 70 hours power reserve. [seikata-wm-bf954b727ba3]

Also known as: Bullhead

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

46mm

Case Thickness

15.4mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

50m

Dial Color

Champagne

Jewels

36j

Frequency

28,800 bph

Power Reserve

70 hours

Year

1997

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