Seiko Cal. 6146 - 644

The Seiko 6146-644 represents an important milestone in Seiko's 1978 lineup. The Inner Rotating bezel and 44mm case give it a distinctive presence on the wrist. [seikata-wm-1b7b0bf28ec6]

Also known as: Baby Tuna, Emperor

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

44mm

Case Thickness

10.2mm

Lug Width

22mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

130m

Dial Color

White

Jewels

32j

Frequency

21,600 bph

Power Reserve

38 hours

Year

1978

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