Seiko Cal. 6153 - 438

The Seiko 6153-438 represents an important milestone in Seiko's 1971 lineup. The Coin-Edge bezel and 36mm case give it a distinctive presence on the wrist. [seikata-wm-f5bc6e2747f3]

Also known as: Baby Tuna

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

36mm

Case Thickness

10.3mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

30m

Dial Color

Navy

Jewels

29j

Frequency

21,600 bph

Power Reserve

48 hours

Year

1971

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