Seiko Cal. 6311 - 748

Seiko 6311-748

This Automatic model from 1976 features a 37mm Stainless Steel case. The Fixed bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-ca340c5be325]

Also known as: Bullhead, Baby Tuna

Specifications

Movement
Automatic
Case Material
Stainless Steel
Case Width
37mm
Case Thickness
10.7mm
Lug Width
21mm
Crystal
Sapphire
Bezel
Fixed
Water Resistance
40m
Dial Color
Burgundy
Jewels
34j
Frequency
28,800 bph
Power Reserve
71 hours
Year
1976

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seikata-wm-ca340c5be325