Seiko Cal. 0754 - 637

This Quartz model from 1969 features a 36mm PVD Black case. Powered by the 0754 caliber with 21j jewels beating at 28,800 bph, it delivers a 63 hours power reserve. [seikata-wm-cf4b2532b9d9]

Also known as: Turtle, Helmet

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

36mm

Case Thickness

9.3mm

Lug Width

21mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

90m

Dial Color

Champagne

Jewels

21j

Frequency

28,800 bph

Power Reserve

63 hours

Year

1969

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