Seiko Cal. 5613 - 936

This Hand-Winding model from 1988 features a 45mm Two-Tone case. It features a Silver dial protected by a Sapphire crystal and offers 80m of water resistance. [seikata-wm-8c42fefa2121]

Also known as: Silverwave, Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

45mm

Case Thickness

11.0mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

80m

Dial Color

Silver

Jewels

29j

Frequency

21,600 bph

Power Reserve

54 hours

Year

1988

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