Seiko Cal. 6154 - 789

The Seiko 6154-789 represents an important milestone in Seiko's 1975 lineup. The Fixed bezel and 34mm case give it a distinctive presence on the wrist. [seikata-wm-428793f49e2d]

Also known as: Tuna, Emperor

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

34mm

Case Thickness

9.4mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

130m

Dial Color

White

Jewels

30j

Frequency

36,000 bph

Power Reserve

45 hours

Year

1975

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