Seiko Cal. 6138 - 440

The Seiko 6138-440 represents an important milestone in Seiko's 1989 lineup. The Fixed bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-77f0339b5614]

Also known as: Bellmatic, Baby Tuna

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

39mm

Case Thickness

14.2mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

200m

Dial Color

Black

Jewels

22j

Frequency

28,800 bph

Power Reserve

49 hours

Year

1989

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