Seiko Cal. 4527 - 150

This Spring Drive model from 1968 features a 41mm PVD Black case. It features a Silver dial protected by a Mineral crystal and offers 40m of water resistance. [seikata-wm-07aae764e370]

Also known as: Tuna

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

41mm

Case Thickness

14.0mm

Lug Width

18mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

40m

Dial Color

Silver

Jewels

36j

Frequency

36,000 bph

Power Reserve

63 hours

Year

1968

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