Seiko Cal. 4521 - 266

This Spring Drive model from 1969 features a 34mm PVD Black case. It features a Burgundy dial protected by a Mineral crystal and offers 170m of water resistance. [seikata-wm-f8e960962b04]

Also known as: Turtle, Sumo

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

34mm

Case Thickness

15.6mm

Lug Width

19mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

170m

Dial Color

Burgundy

Jewels

31j

Frequency

28,800 bph

Power Reserve

61 hours

Year

1969

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