Seiko Cal. 7138 - 455

This Quartz model from 1987 features a 42mm Gold-Plated case. Powered by the 7138 caliber with 30j jewels beating at 28,800 bph, it delivers a 40 hours power reserve. [seikata-wm-889780628560]

Also known as: Sportsmatic, Baby Tuna

Specifications

Movement

Quartz

Case Material

Gold-Plated

Case Width

42mm

Case Thickness

15.4mm

Lug Width

21mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

190m

Dial Color

Champagne

Jewels

30j

Frequency

28,800 bph

Power Reserve

40 hours

Year

1987

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