Seiko Cal. 7111 - 646

The Seiko 7111-646 represents an important milestone in Seiko's 1987 lineup. It features a White dial protected by a Sapphire crystal and offers 50m of water resistance. [seikata-wm-494901227fa0]

Also known as: Helmet

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

45mm

Case Thickness

14.2mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

50m

Dial Color

White

Jewels

22j

Frequency

28,800 bph

Power Reserve

67 hours

Year

1987

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