Seiko Cal. 0770 - 646

The Seiko 0770-646 represents an important milestone in Seiko's 1999 lineup. It features a Cream dial protected by a Mineral crystal and offers 170m of water resistance. [seikata-wm-2478767da588]

Also known as: Bellmatic, Navigator

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

41mm

Case Thickness

12.4mm

Lug Width

20mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

170m

Dial Color

Cream

Jewels

27j

Frequency

21,600 bph

Power Reserve

50 hours

Year

1999

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