Seiko Cal. 5616 - 738

This Hand-Winding model from 1967 features a 42mm Titanium case. With its 22mm lug width and 12.2mm profile, it sits comfortably on most wrists. [seikata-wm-5219a2dc2d53]

Also known as: Golden Tuna

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

42mm

Case Thickness

12.2mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

120m

Dial Color

Navy

Jewels

22j

Frequency

28,800 bph

Power Reserve

54 hours

Year

1967

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