Seiko Cal. 0777 - 238

The Seiko 0777-238 represents an important milestone in Seiko's 1980 lineup. With its 21mm lug width and 13.2mm profile, it sits comfortably on most wrists. [seikata-wm-331bb91aad9b]

Also known as: Tuna

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

34mm

Case Thickness

13.2mm

Lug Width

21mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

160m

Dial Color

Green

Jewels

23j

Frequency

36,000 bph

Power Reserve

54 hours

Year

1980

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