Seiko Cal. 7138 - 851

This Quartz model from 1975 features a 38mm Two-Tone case. Powered by the 7138 caliber with 23j jewels beating at 28,800 bph, it delivers a 53 hours power reserve. [seikata-wm-a849bcef9f0b]

Also known as: Monster, Goldfeather

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

38mm

Case Thickness

10.9mm

Lug Width

21mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

90m

Dial Color

Champagne

Jewels

23j

Frequency

28,800 bph

Power Reserve

53 hours

Year

1975

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