Seiko Cal. 0771 - 246

Released in 1970, the Cal. 0771 with design code 246 was part of Seiko's domestic market collection. With its 20mm lug width and 10.4mm profile, it sits comfortably on most wrists. [seikata-wm-5aa8adf9af0e]

Also known as: Tuna, World Timer

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

37mm

Case Thickness

10.4mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

130m

Dial Color

Silver

Jewels

28j

Frequency

28,800 bph

Power Reserve

64 hours

Year

1970

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