Seiko Cal. 4597 - 157

This Spring Drive model from 1981 features a 41mm PVD Black case. It features a White dial protected by a Mineral crystal and offers 40m of water resistance. [seikata-wm-71b8a93bfe62]

Also known as: Tuna, Arnie

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

41mm

Case Thickness

12.0mm

Lug Width

19mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

40m

Dial Color

White

Jewels

31j

Frequency

21,600 bph

Power Reserve

55 hours

Year

1981

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