Seiko Cal. 7191 - 510

This Quartz model from 1978 features a 46mm Two-Tone case. Powered by the 7191 caliber with 36j jewels beating at 21,600 bph, it delivers a 38 hours power reserve. [seikata-wm-83c2cee629d9]

Also known as: Tuna

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

46mm

Case Thickness

8.4mm

Lug Width

21mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

150m

Dial Color

White

Jewels

36j

Frequency

21,600 bph

Power Reserve

38 hours

Year

1978

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