Seiko Cal. 6620 - 154

This Hand-Winding model from 1975 features a 46mm Stainless Steel case. It features a Silver dial protected by a Sapphire crystal and offers 140m of water resistance. [seikata-wm-b5d2af232fd9]

Also known as: Samurai, Silverwave

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

46mm

Case Thickness

8.9mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

140m

Dial Color

Silver

Jewels

26j

Frequency

21,600 bph

Power Reserve

53 hours

Year

1975

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