Seiko Cal. 6616 - 856

This Hand-Winding model from 1967 features a 45mm Gold-Plated case. With its 19mm lug width and 15.9mm profile, it sits comfortably on most wrists. [seikata-wm-09331a226b0d]

Also known as: Tuna

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

45mm

Case Thickness

15.9mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

70m

Dial Color

Green

Jewels

34j

Frequency

21,600 bph

Power Reserve

48 hours

Year

1967

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