Seiko Cal. 6138 - 136

This Automatic model from 1965 features a 46mm Gold-Plated case. Powered by the 6138 caliber with 25j jewels beating at 21,600 bph, it delivers a 58 hours power reserve. [seikata-wm-c3206964af6b]

Also known as: Helmet, Baby Tuna

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

46mm

Case Thickness

15.0mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

140m

Dial Color

Blue Sunburst

Jewels

25j

Frequency

21,600 bph

Power Reserve

58 hours

Year

1965

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