Seiko Cal. 0721 - 355

This Quartz model from 1990 features a 40mm PVD Black case. It features a Silver dial protected by a Mineral crystal and offers 110m of water resistance. [seikata-wm-3a0f86fe542f]

Also known as: Baby Tuna

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

40mm

Case Thickness

14.8mm

Lug Width

21mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

110m

Dial Color

Silver

Jewels

32j

Frequency

21,600 bph

Power Reserve

71 hours

Year

1990

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