Seiko Cal. 6138 - 503

Seiko 6138-503

This Automatic model from 1975 features a 41mm Gold-Plated case. Powered by the 6138 caliber with 19j jewels beating at 21,600 bph, it delivers a 61 hours power reserve. [seikata-wm-3dfdee7e3380]

Also known as: Tuna, Baby Tuna

Specifications

Movement
Automatic
Case Material
Gold-Plated
Case Width
41mm
Case Thickness
13.7mm
Lug Width
20mm
Crystal
Mineral
Bezel
Coin-Edge
Water Resistance
200m
Dial Color
Burgundy
Jewels
19j
Frequency
21,600 bph
Power Reserve
61 hours
Year
1975

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