Seiko Cal. 0721 - 767

The Seiko 0721-767 represents an important milestone in Seiko's 1966 lineup. It features a Black dial protected by a Mineral crystal and offers 100m of water resistance. [seikata-wm-cafac13c4b48]

Also known as: UFO, Baby Tuna

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

45mm

Case Thickness

10.2mm

Lug Width

22mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

100m

Dial Color

Black

Jewels

21j

Frequency

21,600 bph

Power Reserve

41 hours

Year

1966

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