Seiko Cal. 0761 - 256

This Hand-Winding model from 1968 features a 45mm PVD Black case. With its 21mm lug width and 13.2mm profile, it sits comfortably on most wrists. [seikata-wm-bbdb53ac0e0b]

Also known as: Tuna, Golden Tuna

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

45mm

Case Thickness

13.2mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

140m

Dial Color

Silver

Jewels

32j

Frequency

21,600 bph

Power Reserve

56 hours

Year

1968

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