Seiko Cal. 4565 - 186

The Seiko 4565-186 represents an important milestone in Seiko's 1975 lineup. The Bidirectional bezel and 44mm case give it a distinctive presence on the wrist. [seikata-wm-14a72f547b52]

Also known as: Baby Tuna, Emperor

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

44mm

Case Thickness

15.5mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

90m

Dial Color

Champagne

Jewels

20j

Frequency

36,000 bph

Power Reserve

45 hours

Year

1975

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